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IPC entry: A61K 31/704 4-dot subgroup [Version 2024.01 (current), Language EN - English]

Symbol Select IPC entry Title
A
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HUMAN NECESSITIES
A01
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AGRICULTURE
A01
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AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
A21
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FOODSTUFFS; TOBACCO
A21
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BAKING; EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; DOUGHS FOR BAKING [1, 2006.01]
A22
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BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
A23
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FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A24
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TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
A41
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PERSONAL OR DOMESTIC ARTICLES
A41
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WEARING APPAREL
A42
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HEADWEAR
A43
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FOOTWEAR
A44
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HABERDASHERY; JEWELLERY
A45
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HAND OR TRAVELLING ARTICLES
A46
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BRUSHWARE
A47
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FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A61
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HEALTH; LIFE-SAVING; AMUSEMENT
A61
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MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B
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DIAGNOSIS; SURGERY; IDENTIFICATION (analysing biological material G01N, e.g. G01N 33/48)
A61C
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DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; preparations for dentistry A61K 6/00;  preparations for cleaning the teeth or mouth A61K 8/00, A61Q 11/00)
A61D
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VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
A61F
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FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) [6, 2006.01]
A61G
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TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H 3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N 1/00)
A61H
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PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy, ultrasound therapy A61N)
A61J
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CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
A61K
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PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J 3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
A61K 6/00
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Preparations for dentistry [3, 2006.01, 2020.01]
A61K 8/00
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Cosmetics or similar toiletry preparations [2006.01]
A61K 9/00
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Medicinal preparations characterised by special physical form [1, 2006.01]
A61K 31/00
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Medicinal preparations containing organic active ingredients [2, 2006.01]
A61K 31/01
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. Hydrocarbons [2, 2006.01]
A61K 31/015
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. . carbocyclic [2, 2006.01]
A61K 31/02
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. Halogenated hydrocarbons [2, 2006.01]
A61K 31/025
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. . carbocyclic [2, 2006.01]
A61K 31/03
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. . . aromatic [2, 2006.01]
A61K 31/035
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. . having aliphatic unsaturation [2, 2006.01]
A61K 31/04
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. Nitro compounds [2, 2006.01]
A61K 31/045
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. Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates (hydroperoxides A61K 31/327) [2, 7, 2006.01]
A61K 31/047
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. . having two or more hydroxy groups, e.g. sorbitol [7, 2006.01]
A61K 31/05
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. . Phenols [2, 2006.01]
A61K 31/055
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. . . the aromatic ring being substituted by halogen [2, 2006.01]
A61K 31/06
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. . . the aromatic ring being substituted by nitro groups [2, 2006.01]
A61K 31/065
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. . Diphenyl-substituted acyclic alcohols [2, 2006.01]
A61K 31/07
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. . Retinol compounds, e.g. vitamin A (retinoic acids A61K 31/203) [2, 7, 2006.01]
A61K 31/075
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. Ethers or acetals [2, 2006.01]
A61K 31/08
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. . acyclic, e.g. paraformaldehyde [2, 2006.01]
A61K 31/085
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. . having an ether linkage to aromatic ring nuclear carbon [2, 2006.01]
A61K 31/09
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. . . having two or more such linkages [2, 2006.01]
A61K 31/095
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. Sulfur, selenium or tellurium compounds, e.g. thiols [2, 2006.01]
A61K 31/10
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. . Sulfides; Sulfoxides; Sulfones [2, 2006.01]
A61K 31/105
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. . Persulfides (thiuram disulfides A61K 31/145; thiosulfonic acids A61K 31/185) [2, 2006.01]
A61K 31/11
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. Aldehydes [2, 2006.01]
A61K 31/115
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. . Formaldehyde [2, 2006.01]
A61K 31/12
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. Ketones [2, 2006.01]
A61K 31/121
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. . acyclic [7, 2006.01]
A61K 31/122
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. . having the oxygen atom directly attached to a ring, e.g. quinones, vitamin K1, anthralin [7, 2006.01]
A61K 31/125
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. . . Camphor; Nuclear substituted derivatives thereof [2, 2006.01]
A61K 31/13
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. Amines, e.g. amantadine (A61K 31/04 takes precedence) [2, 2006.01]
A61K 31/131
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. . acyclic [7, 2006.01]
A61K 31/132
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. . having two or more amino groups, e.g. spermidine, putrescine [7, 2006.01]
A61K 31/133
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. . having hydroxy groups, e.g. sphingosine [7, 2006.01]
A61K 31/135
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. . having aromatic rings, e.g. methadone [2, 7, 2006.01]
A61K 31/136
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. . . having the amino group directly attached to the aromatic ring, e.g. benzeneamine [7, 2006.01]
A61K 31/137
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. . . Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine [7, 2006.01]
A61K 31/138
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. . . Aryloxyalkylamines, e.g. propranolol, tamoxifen, phenoxybenzamine (atenolol A61K 31/165; pindolol A61K 31/404; timolol A61K 31/5377) [7, 2006.01]
A61K 31/14
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. . Quaternary ammonium compounds, e.g. edrophonium, choline (betaines A61K 31/205) [2, 2006.01]
A61K 31/145
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. . having sulfur atoms, e.g. thiurams (Inline imageN—C(S)—S—C(S)—NInline image or Inline imageN—C(S)—S—S—C(S)—NInline image); Sulfinylamines (—N=SO); Sulfonylamines (—N=SO2) (isothioureas A61K 31/155) [2, 7, 2006.01]
A61K 31/15
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. . Oximes (Inline imageC=N—O—); Hydrazines (Inline imageN—NInline image); Hydrazones (Inline imageN—N=) [2, 2006.01]
A61K 31/155
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. . Amidines (Inline image), e.g. guanidine (H2N—C(=NH)—NH2), isourea (HN=C(OH)NH2), isothiourea (HN=C(SH)—NH2) [2, 2006.01]
A61K 31/16
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. Amides, e.g. hydroxamic acids [2, 2006.01]
A61K 31/164
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. . of a carboxylic acid with an aminoalcohol, e.g. ceramides [7, 2006.01]
A61K 31/165
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. . having aromatic rings, e.g. colchicine, atenolol, progabide [2, 2006.01]
A61K 31/166
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. . . having the carbon atom of a carboxamide group directly attached to the aromatic ring, e.g. procainamide, procarbazine, metoclopramide, labetalol [7, 2006.01]
A61K 31/167
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. . . having the nitrogen atom of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol [7, 2006.01]
A61K 31/17
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. . having the group Inline imageN—C(O)—NInline image or Inline imageN—C(S)—NInline image, e.g. urea, thiourea, carmustine (isoureas, isothioureas A61K 31/155; sulfonylureas A61K 31/64) [2, 7, 2006.01]
A61K 31/175
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. . . having the group Inline image, Inline imageN—C(O)—N=N— or Inline image, e.g. carbonohydrazides, carbazones, semicarbazides, semicarbazones; Thioanalogues thereof [2, 7, 2006.01]
A61K 31/18
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. . Sulfonamides (compounds containing a para-N-benzene-sulfonyl-N-group A61K 31/63) [2, 2006.01]
A61K 31/185
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. Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids  (hydroxamic acids A61K 31/16;  peroxy acids A61K 31/327) [2, 7, 2006.01]
A61K 31/19
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. . Carboxylic acids, e.g. valproic acid (salicylic acid A61K 31/60) [2, 7, 2006.01]
A61K 31/191
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. . . Acyclic acids having two or more hydroxy groups, e.g. gluconic acid [7, 2006.01]
A61K 31/192
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. . . having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid [7, 2006.01]
A61K 31/194
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. . . having two or more carboxyl groups, e.g. succinic, maleic or phthalic acid [7, 2006.01]
A61K 31/195
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. . . having an amino group [2, 7, 2006.01]
A61K 31/196
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. . . . the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil [7, 2006.01]
A61K 31/197
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. . . . the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid (carnitine A61K 31/205) [7, 2006.01]
A61K 31/198
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. . . . . Alpha-amino acids, e.g. alanine or edetic acid [EDTA] (betaine A61K 31/205; proline A61K 31/401; tryptophan A61K 31/405; histidine A61K 31/4172; peptides not degraded to individual amino acids A61K 38/00) [7, 2006.01]
A61K 31/20
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. . . having a carboxyl group bound to an acyclic chain of seven or more carbon atoms, e.g. stearic, palmitic or arachidic acid [2, 2006.01]
A61K 31/201
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. . . . having one or two double bonds, e.g. oleic or linoleic acid [7, 2006.01]
A61K 31/202
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. . . . having three or more double bonds, e.g. linolenic acid (eicosanoids, e.g. leukotrienes, A61K 31/557) [7, 2006.01]
A61K 31/203
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. . . . Retinoic acids [7, 2006.01]
A61K 31/205
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. . Amine addition salts of organic acids; Inner quaternary ammonium salts, e.g. betaine, carnitine [2, 2006.01]
A61K 31/21
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. Esters, e.g. nitroglycerine, selenocyanates [2, 2006.01]
A61K 31/215
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. . of carboxylic acids [2, 2006.01]
A61K 31/216
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. . . of acids having aromatic rings, e.g. benactizyne, clofibrate [7, 2006.01]
A61K 31/22
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. . . of acyclic acids, e.g. pravastatin [2, 2006.01]
A61K 31/221
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. . . . with compounds having an amino group, e.g. acetylcholine, acetylcarnitine [7, 2006.01]
A61K 31/222
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. . . . with compounds having aromatic groups, e.g. dipivefrine, ibopamine [7, 2006.01]
A61K 31/223
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. . . . of alpha-amino acids [7, 2006.01]
A61K 31/225
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. . . . Polycarboxylic acids [2, 2006.01]
A61K 31/23
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. . . . of acids having a carboxyl group bound to a chain of seven or more carbon atoms [2, 2006.01]
A61K 31/231
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. . . . . having one or two double bonds [7, 2006.01]
A61K 31/232
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. . . . . having three or more double bonds, e.g. etretinate [7, 2006.01]
A61K 31/235
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. . . having an aromatic ring attached to a carboxyl group [2, 2006.01]
A61K 31/24
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. . . . having an amino or nitro group [2, 2006.01]
A61K 31/245
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. . . . . Amino benzoic acid types, e.g. procaine, novocaine (salicylic acid esters A61K 31/60) [2, 2006.01]
A61K 31/25
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. . . with polyoxyalkylated alcohols, e.g. esters of polyethylene glycol [2, 2006.01]
A61K 31/255
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. . of sulfoxy acids or sulfur analogues thereof [2, 2006.01]
A61K 31/26
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. . Cyanate or isocyanate esters; Thiocyanate or isothiocyanate esters [2, 7, 2006.01]
A61K 31/265
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. . of carbonic, thiocarbonic or thiocarboxylic acids, e.g. thioacetic acid, xanthogenic acid, trithiocarbonic acid [2, 2006.01]
A61K 31/27
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. . of carbamic or thiocarbamic acids, e.g. meprobamate, carbachol, neostigmine [2, 2006.01]
A61K 31/275
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. Nitriles; Isonitriles [2, 2006.01]
A61K 31/277
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. . having a ring, e.g. verapamil [7, 2006.01]
A61K 31/28
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. Compounds containing heavy metals [2, 2006.01]
A61K 31/282
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. . Platinum compounds [7, 2006.01]
A61K 31/285
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. . Arsenic compounds [2, 2006.01]
A61K 31/29
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. . Antimony or bismuth compounds [2, 2006.01]
A61K 31/295
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. . Iron group metal compounds [2, 2006.01]
A61K 31/30
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. . Copper compounds [2, 2006.01]
A61K 31/305
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. . Mercury compounds [2, 2006.01]
A61K 31/31
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. . . containing nitrogen [2, 2006.01]
A61K 31/315
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. . Zinc compounds [2, 2006.01]
A61K 31/32
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. . Tin compounds [2, 2006.01]
A61K 31/325
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. Carbamic acids; Thiocarbamic acids; Anhydrides or salts thereof (thiurams A61K 31/145) [2, 2006.01]
A61K 31/327
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. Peroxy compounds, e.g. hydroperoxides, peroxides, peroxy acids [7, 2006.01]
A61K 31/33
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. Heterocyclic compounds [2, 2006.01]
A61K 31/335
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. . having oxygen as the only ring hetero atom, e.g. fungichromin [2, 2006.01]
A61K 31/336
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. . . having three-membered rings, e.g. oxirane, fumagillin [7, 2006.01]
A61K 31/337
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. . . having four-membered rings, e.g. taxol [7, 2006.01]
A61K 31/34
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. . . having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide [2, 2006.01]
A61K 31/341
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. . . . not condensed with another ring, e.g. ranitidine, furosemide, bufetolol, muscarine [7, 2006.01]
A61K 31/343
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. . . . condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone [7, 2006.01]
A61K 31/345
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. . . . Nitrofurans (nitrofurantoin A61K 31/4178) [2, 7, 2006.01]
A61K 31/35
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. . . having six-membered rings with one oxygen as the only ring hetero atom [2, 2006.01]
A61K 31/351
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. . . . not condensed with another ring [7, 2006.01]
A61K 31/352
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. . . . condensed with carbocyclic rings, e.g. cannabinols, methantheline [7, 2006.01]
A61K 31/353
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. . . . . 3,4-Dihydrobenzopyrans, e.g. chroman, catechin [7, 2006.01]
A61K 31/355
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. . . . . . Tocopherols, e.g. vitamin E [2, 2006.01]
A61K 31/357
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. . . having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel [7, 2006.01]
A61K 31/36
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. . . . Compounds containing methylenedioxyphenyl groups, e.g. sesamin [2, 2006.01]
A61K 31/365
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. . . Lactones [2, 2006.01]
A61K 31/366
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. . . . having six-membered rings, e.g. delta-lactones [7, 2006.01]
A61K 31/37
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. . . . . Coumarins, e.g. psoralen [2, 2006.01]
A61K 31/375
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. . . . Ascorbic acid, i.e. vitamin C; Salts thereof [2, 2006.01]
A61K 31/38
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. . having sulfur as a ring hetero atom [2, 2006.01]
A61K 31/381
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. . . having five-membered rings [7, 2006.01]
A61K 31/382
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. . . having six-membered rings, e.g. thioxanthenes (thiothixene A61K 31/496) [7, 2006.01]
A61K 31/385
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. . . having two or more sulfur atoms in the same ring [2, 2006.01]
A61K 31/39
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. . . having oxygen atoms in the same ring [2, 2006.01]
A61K 31/395
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. . having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins [2, 7, 2006.01]
A61K 31/396
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. . . having three-membered rings, e.g. aziridine [7, 2006.01]
A61K 31/397
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. . . having four-membered rings, e.g. azetidine [7, 2006.01]
A61K 31/40
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. . . having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil [2, 2006.01]
A61K 31/401
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. . . . Proline; Derivatives thereof, e.g. captopril [7, 2006.01]
A61K 31/4015
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. . . . having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide [7, 2006.01]
A61K 31/402
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. . . . 1-aryl-substituted, e.g. piretanide [7, 2006.01]
A61K 31/4025
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. . . . not condensed and containing further heterocyclic rings, e.g. cromakalim [7, 2006.01]
A61K 31/403
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. . . . condensed with carbocyclic rings, e.g. carbazole [7, 2006.01]
A61K 31/4035
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. . . . . Isoindoles, e.g. phthalimide [7, 2006.01]
A61K 31/404
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. . . . . Indoles, e.g. pindolol [7, 2006.01]
A61K 31/4045
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. . . . . . Indole-alkylamines; Amides thereof, e.g. serotonin, melatonin [7, 2006.01]
A61K 31/405
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. . . . . . Indole-alkanecarboxylic acids; Derivatives thereof, e.g. tryptophan, indomethacin [2, 2006.01]
A61K 31/407
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. . . . condensed with heterocyclic ring systems, e.g. ketorolac, physostigmine [7, 2006.01]
A61K 31/409
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. . . . having four such rings, e.g. porphine derivatives, bilirubin, biliverdine (hemin, hematin A61K 31/555) [7, 2006.01]
A61K 31/41
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. . . having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole [2, 2006.01]
A61K 31/415
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. . . . 1,2-Diazoles [2, 7, 2006.01]
A61K 31/4152
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. . . . . having oxo groups directly attached to the heterocyclic ring, e.g. antipyrine, phenylbutazone, sulfinpyrazone [7, 2006.01]
A61K 31/4155
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. . . . . not condensed and containing further heterocyclic rings [7, 2006.01]
A61K 31/416
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. . . . . condensed with carbocyclic ring systems, e.g. indazole [7, 2006.01]
A61K 31/4162
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. . . . . condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/4164
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. . . . 1,3-Diazoles [7, 2006.01]
A61K 31/4166
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. . . . . having oxo groups directly attached to the heterocyclic ring, e.g. phenytoin [7, 2006.01]
A61K 31/4168
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. . . . . having a nitrogen atom attached in position 2, e.g. clonidine [7, 2006.01]
A61K 31/417
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. . . . . Imidazole-alkylamines, e.g. histamine, phentolamine [7, 2006.01]
A61K 31/4172
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. . . . . Imidazole-alkanecarboxylic acids, e.g. histidine [7, 2006.01]
A61K 31/4174
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. . . . . Arylalkylimidazoles, e.g. oxymetazolin, naphazoline, miconazole [7, 2006.01]
A61K 31/4178
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. . . . . not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin [7, 2006.01]
A61K 31/4184
Show hierarchy
. . . . . condensed with carbocyclic rings, e.g. benzimidazoles [7, 2006.01]
A61K 31/4188
Show hierarchy
. . . . . condensed with heterocyclic ring systems, e.g. biotin, sorbinil [7, 2006.01]
A61K 31/4192
Show hierarchy
. . . . 1,2,3-Triazoles [7, 2006.01]
A61K 31/4196
Show hierarchy
. . . . 1,2,4-Triazoles [7, 2006.01]
A61K 31/42
Show hierarchy
. . . . Oxazoles [2, 7, 2006.01]
A61K 31/421
Show hierarchy
. . . . . 1,3-Oxazoles, e.g. pemoline, trimethadione [7, 2006.01]
A61K 31/422
Show hierarchy
. . . . . not condensed and containing further heterocyclic rings [7, 2006.01]
A61K 31/423
Show hierarchy
. . . . . condensed with carbocyclic rings [7, 2006.01]
A61K 31/424
Show hierarchy
. . . . . condensed with heterocyclic ring systems, e.g. clavulanic acid [7, 2006.01]
A61K 31/4245
Show hierarchy
. . . . Oxadiazoles [7, 2006.01]
A61K 31/425
Show hierarchy
. . . . Thiazoles [2, 7, 2006.01]
A61K 31/426
Show hierarchy
. . . . . 1,3-Thiazoles [7, 2006.01]
A61K 31/427
Show hierarchy
. . . . . not condensed and containing further heterocyclic rings [7, 2006.01]
A61K 31/428
Show hierarchy
. . . . . condensed with carbocyclic rings [7, 2006.01]
A61K 31/429
Show hierarchy
. . . . . condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/43
Show hierarchy
. . . . . . Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula Inline image, e.g. penicillins, penems [2, 6, 2006.01]
A61K 31/431
Show hierarchy
. . . . . . . containing further heterocyclic ring systems, e.g. ticarcillin, azlocillin, oxacillin [7, 2006.01]
A61K 31/433
Show hierarchy
. . . . Thiadiazoles [7, 2006.01]
A61K 31/435
Show hierarchy
. . . having six-membered rings with one nitrogen as the only ring hetero atom [2, 2006.01]
A61K 31/4353
Show hierarchy
. . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/4355
Show hierarchy
. . . . . the heterocyclic ring system containing a five-membered ring having oxygen as a ring hetero atom [7, 2006.01]
A61K 31/436
Show hierarchy
. . . . . the heterocyclic ring system containing a six-membered ring having oxygen as a ring hetero atom, e.g. rapamycin [7, 2006.01]
A61K 31/4365
Show hierarchy
. . . . . the heterocyclic ring system having sulfur as a ring hetero atom, e.g. ticlopidine [7, 2006.01]
A61K 31/437
Show hierarchy
. . . . . the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline [7, 2006.01]
A61K 31/4375
Show hierarchy
. . . . . the heterocyclic ring system containing a six-membered ring having nitrogen as a ring hetero atom, e.g. quinolizines, naphthyridines, berberine, vincamine [7, 2006.01]
A61K 31/438
Show hierarchy
. . . . the ring being spiro-condensed with carbocyclic or heterocyclic ring systems [7, 2006.01]
A61K 31/439
Show hierarchy
. . . . the ring forming part of a bridged ring system, e.g. quinuclidine (8-azabicyclo [3.2.1] octanes A61K 31/46) [7, 2006.01]
A61K 31/44
Show hierarchy
. . . . Non-condensed pyridines; Hydrogenated derivatives thereof [2, 7, 2006.01]
A61K 31/4402
Show hierarchy
. . . . . only substituted in position 2, e.g. pheniramine, bisacodyl [7, 2006.01]
A61K 31/4406
Show hierarchy
. . . . . only substituted in position 3, e.g. zimeldine (nicotinic acid A61K 31/455) [7, 2006.01]
A61K 31/4409
Show hierarchy
. . . . . only substituted in position 4, e.g. isoniazid, iproniazid [7, 2006.01]
A61K 31/4412
Show hierarchy
. . . . . having oxo groups directly attached to the heterocyclic ring [7, 2006.01]
A61K 31/4415
Show hierarchy
. . . . . Pyridoxine, i.e.vitamin B6 (pyridoxal phosphate A61K 31/675) [7, 2006.01]
A61K 31/4418
Show hierarchy
. . . . . having a carbocyclic ring directly attached to the heterocyclic ring, e.g. cyproheptadine [7, 2006.01]
A61K 31/4422
Show hierarchy
. . . . . 1,4-Dihydropyridines, e.g. nifedipine, nicardipine [7, 2006.01]
A61K 31/4425
Show hierarchy
. . . . . Pyridinium derivatives, e.g. pralidoxime, pyridostigmine [7, 2006.01]
A61K 31/4427
Show hierarchy
. . . . . containing further heterocyclic ring systems [7, 2006.01]
A61K 31/443
Show hierarchy
. . . . . . containing a five-membered ring with oxygen as a ring hetero atom [7, 2006.01]
A61K 31/4433
Show hierarchy
. . . . . . containing a six-membered ring with oxygen as a ring hetero atom [7, 2006.01]
A61K 31/4436
Show hierarchy
. . . . . . containing a heterocyclic ring having sulfur as a ring hetero atom [7, 2006.01]
A61K 31/4439
Show hierarchy
. . . . . . containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole (nicotine A61K 31/465) [7, 2006.01]
A61K 31/444
Show hierarchy
. . . . . . containing a six-membered ring with nitrogen as a ring hetero atom, e.g. amrinone [7, 2006.01]
A61K 31/445
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. . . . . Non-condensed piperidines, e.g. piperocaine [2, 7, 2006.01]
A61K 31/4453
Show hierarchy
. . . . . . only substituted in position 1, e.g. propipocaine, diperodon [7, 2006.01]
A61K 31/4458
Show hierarchy
. . . . . . only substituted in position 2, e.g. methylphenidate [7, 2006.01]
A61K 31/4462
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. . . . . . only substituted in position 3 [7, 2006.01]
A61K 31/4465
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. . . . . . only substituted in position 4 [7, 2006.01]
A61K 31/4468
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. . . . . . having a nitrogen atom directly attached in position 4, e.g. clebopride, fentanyl [7, 2006.01]
A61K 31/45
Show hierarchy
. . . . . . having oxo groups directly attached to the heterocyclic ring, e.g. cycloheximide [2, 7, 2006.01]
A61K 31/451
Show hierarchy
. . . . . . having a carbocyclic ring directly attached to the heterocyclic ring, e.g. glutethimide, meperidine, loperamide, phencyclidine, piminodine [7, 2006.01]
A61K 31/4515
Show hierarchy
. . . . . . having a butyrophenone group in position 1, e.g. haloperidol (pipamperone A61K 31/4545) [7, 2006.01]
A61K 31/452
Show hierarchy
. . . . . . Piperidinium derivatives (pancuronium A61K 31/58) [7, 2006.01]
A61K 31/4523
Show hierarchy
. . . . . . containing further heterocyclic ring systems [7, 2006.01]
A61K 31/4525
Show hierarchy
. . . . . . . containing a five-membered ring with oxygen as a ring hetero atom [7, 2006.01]
A61K 31/453
Show hierarchy
. . . . . . . containing a six-membered ring with oxygen as a ring hetero atom [7, 2006.01]
A61K 31/4535
Show hierarchy
. . . . . . . containing a heterocyclic ring having sulfur as a ring hetero atom, e.g. pizotifen [7, 2006.01]
A61K 31/454
Show hierarchy
. . . . . . . containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone [7, 2006.01]
A61K 31/4545
Show hierarchy
. . . . . . . containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine [7, 2006.01]
A61K 31/455
Show hierarchy
. . . . . Nicotinic acid, i.e. niacin; Derivatives thereof, e.g. esters, amides [2, 2006.01]
A61K 31/46
Show hierarchy
. . . . 8-Azabicyclo [3.2.1] octane; Derivatives thereof, e.g. atropine, cocaine [2, 2006.01]
A61K 31/465
Show hierarchy
. . . . Nicotine; Derivatives thereof [2, 2006.01]
A61K 31/47
Show hierarchy
. . . . Quinolines; Isoquinolines [2, 2006.01]
A61K 31/4704
Show hierarchy
. . . . . 2-Quinolinones, e.g. carbostyril [7, 2006.01]
A61K 31/4706
Show hierarchy
. . . . . 4-Aminoquinolines; 8-Aminoquinolines, e.g. chloroquine, primaquine [7, 2006.01]
A61K 31/4709
Show hierarchy
. . . . . Non-condensed quinolines containing further heterocyclic rings [7, 2006.01]
A61K 31/472
Show hierarchy
. . . . . Non-condensed isoquinolines, e.g. papaverine [7, 2006.01]
A61K 31/4725
Show hierarchy
. . . . . . containing further heterocyclic rings [7, 2006.01]
A61K 31/473
Show hierarchy
. . . . . ortho- or peri-condensed with carbocyclic ring systems, e.g. acridines, phenanthridines [7, 2006.01]
A61K 31/4738
Show hierarchy
. . . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/4741
Show hierarchy
. . . . . . condensed with ring systems having oxygen as a ring hetero atom, e.g. tubocuraran derivatives, noscapine, bicuculline [7, 2006.01]
A61K 31/4743
Show hierarchy
. . . . . . condensed with ring systems having sulfur as a ring hetero atom [7, 2006.01]
A61K 31/4745
Show hierarchy
. . . . . . condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenanthrolines (yohimbine derivatives, vinblastine A61K 31/475; ergoline derivatives A61K 31/48) [7, 2006.01]
A61K 31/4747
Show hierarchy
. . . . . spiro-condensed [7, 2006.01]
A61K 31/4748
Show hierarchy
. . . . . forming part of bridged ring systems (strychnine A61K 31/475; morphinan derivatives A61K 31/485) [7, 2006.01]
A61K 31/475
Show hierarchy
. . . . . having an indole ring, e.g. yohimbine, reserpine, strychnine, vinblastine (vincamine A61K 31/4375) [2, 7, 2006.01]
A61K 31/48
Show hierarchy
. . . . . Ergoline derivatives, e.g. lysergic acid, ergotamine [2, 7, 2006.01]
A61K 31/485
Show hierarchy
. . . . . Morphinan derivatives, e.g. morphine, codeine [2, 7, 2006.01]
A61K 31/49
Show hierarchy
. . . . . Cinchonan derivatives, e.g. quinine [2, 7, 2006.01]
A61K 31/495
Show hierarchy
. . . having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine (A61K 31/48 takes precedence) [2, 2006.01]
A61K 31/496
Show hierarchy
. . . . Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin [7, 2006.01]
A61K 31/4965
Show hierarchy
. . . . Non-condensed pyrazines [7, 2006.01]
A61K 31/497
Show hierarchy
. . . . . containing further heterocyclic rings [7, 2006.01]
A61K 31/498
Show hierarchy
. . . . Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine [7, 2006.01]
A61K 31/4985
Show hierarchy
. . . . Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/499
Show hierarchy
. . . . Spiro-condensed pyrazines or piperazines [7, 2006.01]
A61K 31/4995
Show hierarchy
. . . . Pyrazines or piperazines forming part of bridged ring systems [7, 2006.01]
A61K 31/50
Show hierarchy
. . . . Pyridazines; Hydrogenated pyridazines [2, 7, 2006.01]
A61K 31/501
Show hierarchy
. . . . . not condensed and containing further heterocyclic rings [7, 2006.01]
A61K 31/502
Show hierarchy
. . . . . ortho- or peri-condensed with carbocyclic ring systems, e.g. cinnoline, phthalazine [7, 2006.01]
A61K 31/5025
Show hierarchy
. . . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/503
Show hierarchy
. . . . . spiro-condensed [7, 2006.01]
A61K 31/504
Show hierarchy
. . . . . forming part of bridged ring systems [7, 2006.01]
A61K 31/505
Show hierarchy
. . . . Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim [2, 7, 2006.01]
A61K 31/506
Show hierarchy
. . . . . not condensed and containing further heterocyclic rings [7, 2006.01]
A61K 31/51
Show hierarchy
. . . . . . Thiamines, e.g. vitamin B1 [2, 2006.01]
A61K 31/513
Show hierarchy
. . . . . having oxo groups directly attached to the heterocyclic ring, e.g. cytosine [7, 2006.01]
A61K 31/515
Show hierarchy
. . . . . . Barbituric acids; Derivatives thereof, e.g. sodium pentobarbital [2, 2006.01]
A61K 31/517
Show hierarchy
. . . . . ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine [7, 2006.01]
A61K 31/519
Show hierarchy
. . . . . ortho- or peri-condensed with heterocyclic rings [7, 2006.01]
A61K 31/52
Show hierarchy
. . . . . . Purines, e.g. adenine [2, 7, 2006.01]
A61K 31/522
Show hierarchy
. . . . . . . having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir [7, 2006.01]
A61K 31/525
Show hierarchy
. . . . . . Isoalloxazines, e.g. riboflavins, vitamin B2 [2, 2006.01]
A61K 31/527
Show hierarchy
. . . . . spiro-condensed [7, 2006.01]
A61K 31/529
Show hierarchy
. . . . . forming part of bridged ring systems [7, 2006.01]
A61K 31/53
Show hierarchy
. . . having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine (melarsoprol A61K 31/555) [2, 2006.01]
A61K 31/535
Show hierarchy
. . . having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines [2, 2006.01]
A61K 31/5355
Show hierarchy
. . . . Non-condensed oxazines containing further heterocyclic rings [7, 2006.01]
A61K 31/536
Show hierarchy
. . . . ortho- or peri-condensed with carbocyclic ring systems [7, 2006.01]
A61K 31/5365
Show hierarchy
. . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/537
Show hierarchy
. . . . spiro-condensed or forming part of bridged ring systems [7, 2006.01]
A61K 31/5375
Show hierarchy
. . . . 1,4-Oxazines, e.g. morpholine [7, 2006.01]
A61K 31/5377
Show hierarchy
. . . . . not condensed and containing further heterocyclic rings, e.g. timolol [7, 2006.01]
A61K 31/538
Show hierarchy
. . . . . ortho- or peri-condensed with carbocyclic ring systems [7, 2006.01]
A61K 31/5383
Show hierarchy
. . . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/5386
Show hierarchy
. . . . . spiro-condensed or forming part of bridged ring systems [7, 2006.01]
A61K 31/539
Show hierarchy
. . . . having two or more oxygen atoms in the same ring, e.g dioxazines [7, 2006.01]
A61K 31/5395
Show hierarchy
. . . . having two or more nitrogen atoms in the same ring, e.g. oxadiazines [7, 2006.01]
A61K 31/54
Show hierarchy
. . . having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame [2, 2006.01]
A61K 31/541
Show hierarchy
. . . . Non-condensed thiazines containing further heterocyclic rings [7, 2006.01]
A61K 31/5415
Show hierarchy
. . . . ortho- or peri-condensed with carbocyclic ring systems, e.g. phenothiazine, chlorpromazine, piroxicam [7, 2006.01]
A61K 31/542
Show hierarchy
. . . . ortho- or peri-condensed with heterocyclic ring systems [7, 2006.01]
A61K 31/545
Show hierarchy
. . . . . Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula Inline image, e.g. cephalosporins, cefaclor, cephalexine [2, 6, 2006.01]
A61K 31/546
Show hierarchy
. . . . . . containing further heterocyclic rings, e.g. cephalothin [7, 2006.01]
A61K 31/547
Show hierarchy
. . . . spiro-condensed or forming part of bridged ring systems [7, 2006.01]
A61K 31/548
Show hierarchy
. . . . having two or more sulfur atoms in the same ring [7, 2006.01]
A61K 31/549
Show hierarchy
. . . . having two or more nitrogen atoms in the same ring, e.g. hydrochlorothiazide [7, 2006.01]
A61K 31/55
Show hierarchy
. . . having seven-membered rings, e.g. azelastine, pentylenetetrazole [2, 2006.01]
A61K 31/551
Show hierarchy
. . . . having two nitrogens as ring hetero atoms, e.g. clozapine, dilazep [7, 2006.01]
A61K 31/5513
Show hierarchy
. . . . . 1,4-Benzodiazepines, e.g. diazepam [7, 2006.01]
A61K 31/5517
Show hierarchy
. . . . . . condensed with five-membered rings having nitrogen as a ring hetero atom, e.g. imidazobenzodiazepines, triazolam [7, 2006.01]
A61K 31/553
Show hierarchy
. . . . having at least one nitrogen and at least one oxygen as ring hetero atoms, e.g. loxapine, staurosporine [7, 2006.01]
A61K 31/554
Show hierarchy
. . . . having at least one nitrogen and at least one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem [7, 2006.01]
A61K 31/555
Show hierarchy
. . containing heavy metals, e.g. hemin, hematin, melarsoprol [2, 2006.01]
A61K 31/557
Show hierarchy
. Eicosanoids, e.g. leukotrienes [3, 7, 2006.01]
A61K 31/5575
Show hierarchy
. . having a cyclopentane ring, e.g. prostaglandin E2, prostaglandin F2-alpha [7, 2006.01]
A61K 31/5578
Show hierarchy
. . having a pentalene ring system, e.g. carbacyclin, iloprost [7, 2006.01]
A61K 31/558
Show hierarchy
. . having heterocyclic rings containing oxygen as the only ring hetero atom, e.g. thromboxanes [7, 2006.01]
A61K 31/5585
Show hierarchy
. . . having five-membered rings containing oxygen as the only ring hetero atom, e.g. prostacyclin [7, 2006.01]
A61K 31/559
Show hierarchy
. . having heterocyclic rings containing hetero atoms other than oxygen [7, 2006.01]
A61K 31/56
Show hierarchy
. Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids [4, 7, 2006.01]
A61K 31/565
Show hierarchy
. . not substituted in position 17 beta by a carbon atom, e.g. oestrane, oestradiol [2, 2006.01]
A61K 31/566
Show hierarchy
. . . having an oxo group in position 17, e.g. oestrone [7, 2006.01]
A61K 31/567
Show hierarchy
. . . substituted in position 17 alpha, e.g. mestranol, norethandrolone [7, 2006.01]
A61K 31/568
Show hierarchy
. . . substituted in positions 10 and 13 by a chain having at least one carbon atom, e.g. androstane, testosterone [7, 2006.01]
A61K 31/5685
Show hierarchy
. . . . having an oxo group in position 17, e.g. androsterone [7, 2006.01]
A61K 31/569
Show hierarchy
. . . . substituted in position 17 alpha, e.g. ethisterone [7, 2006.01]
A61K 31/57
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. . substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone [2, 2006.01]
A61K 31/573
Show hierarchy
. . . substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone [7, 2006.01]
A61K 31/575
Show hierarchy
. . substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol [2, 2006.01]
A61K 31/58
Show hierarchy
. . containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin (digitoxin A61K 31/704) [2, 7, 2006.01]
A61K 31/585
Show hierarchy
. . . containing lactone rings, e.g. oxandrolone, bufalin [2, 2006.01]
A61K 31/59
Show hierarchy
. Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems [2, 2006.01]
A61K 31/592
Show hierarchy
. . 9,10-Secoergostane derivatives, e.g. ergocalciferol, vitamin D2 [7, 2006.01]
A61K 31/593
Show hierarchy
. . 9,10-Secocholestane derivatives, e.g. cholecalciferol, vitamin D3 [7, 2006.01]
A61K 31/60
Show hierarchy
. Salicylic acid; Derivatives thereof [2, 2006.01]
A61K 31/603
Show hierarchy
. . having further aromatic rings, e.g. diflunisal [7, 2006.01]
A61K 31/606
Show hierarchy
. . having amino groups [7, 2006.01]
A61K 31/609
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. . Amides, e.g. salicylamide [7, 2006.01]
A61K 31/612
Show hierarchy
. . having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid (fosfosal A61K 31/661) [7, 2006.01]
A61K 31/616
Show hierarchy
. . . by carboxylic acids, e.g. acetylsalicylic acid [7, 2006.01]
A61K 31/618
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. . having the carboxyl group in position 1 esterified, e.g. salsalate [7, 2006.01]
A61K 31/621
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. . . having the hydroxy group in position 2 esterified, e.g. benorylate [7, 2006.01]
A61K 31/625
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. . having heterocyclic substituents, e.g. 4-salicyloylmorpholine (sulfasalazine A61K 31/635) [2, 7, 2006.01]
A61K 31/63
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. Compounds containing para-N-benzene- sulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonohydrazide [2, 2006.01]
A61K 31/635
Show hierarchy
. . having a heterocyclic ring, e.g. sulfadiazine [2, 2006.01]
A61K 31/64
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. Sulfonylureas, e.g. glibenclamide, tolbutamide, chlorpropamide [2, 2006.01]
A61K 31/65
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. Tetracyclines [2, 2006.01]
A61K 31/655
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. Azo (—N=N—), diazo (=N2), azoxy (Inline imageN—O—NInline image or N(=O)—NInline image), azido (—N3) or diazoamino (—N=N—NInline image) compounds [2, 2006.01]
A61K 31/66
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. Phosphorus compounds [2, 2006.01]
A61K 31/661
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. . Phosphorus acids or esters thereof not having P—C bonds, e.g. fosfosal, dichlorvos, malathion [7, 2006.01]
A61K 31/6615
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. . . Compounds having two or more esterified phosphorus acid groups, e.g. inositol triphosphate, phytic acid [7, 2006.01]
A61K 31/662
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. . Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon [7, 2006.01]
A61K 31/663
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. . . Compounds having two or more phosphorus acid groups or esters thereof, e.g. clodronic acid, pamidronic acid [7, 2006.01]
A61K 31/664
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. . Amides of phosphorus acids [7, 2006.01]
A61K 31/665
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. . having oxygen as a ring hetero atom, e.g. fosfomycin [2, 2006.01]
A61K 31/67
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. . having sulfur as a ring hetero atom [2, 2006.01]
A61K 31/675
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. . having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate [2, 2006.01]
A61K 31/683
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. . Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols [7, 2006.01]
A61K 31/685
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. . . one of the hydroxy compounds having nitrogen atoms, e.g. phosphatidylserine, lecithin [2, 7, 2006.01]
A61K 31/688
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. . . both hydroxy compounds having nitrogen atoms, e.g. sphingomyelins [7, 2006.01]
A61K 31/69
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. Boron compounds [2, 2006.01]
A61K 31/695
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. Silicon compounds [2, 2006.01]
A61K 31/70
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. Carbohydrates; Sugars; Derivatives thereof (sorbitol A61K 31/047) [2, 7, 2006.01]
A61K 31/7004
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. . Monosaccharides having only carbon, hydrogen and oxygen atoms [7, 2006.01]
A61K 31/7008
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. . Compounds having an amino group directly attached to a carbon atom of the saccharide radical, e.g. D-galactosamine, ranimustine [7, 2006.01]
A61K 31/7012
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. . Compounds having a free or esterified carboxyl group attached, directly or through a carbon chain, to a carbon atom of the saccharide radical, e.g. glucuronic acid, neuraminic acid (gluconic acid A61K 31/191; ascorbic acid A61K 31/375) [7, 2006.01]
A61K 31/7016
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. . Disaccharides, e.g. lactose, lactulose (lactobionic acid A61K 31/7032) [7, 2006.01]
A61K 31/702
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. . Oligosaccharides, i.e. having three to five saccharide radicals attached to each other by glycosidic linkages [7, 2006.01]
A61K 31/7024
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. . Esters of saccharides [7, 2006.01]
A61K 31/7028
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. . Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages [7, 2006.01]
A61K 31/7032
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. . . attached to a polyol, i.e. compounds having two or more free or esterified hydroxy groups, including the hydroxy group involved in the glycosidic linkage, e.g. monoglucosyl-diacylglycerides, lactobionic acid, gangliosides [7, 2006.01]
A61K 31/7034
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. . . attached to a carbocyclic compound, e.g. phloridzin [7, 2006.01]
A61K 31/7036
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. . . . having at least one amino group directly attached to the carbocyclic ring, e.g. streptomycin, gentamycin, amikacin, validamycin, fortimicins [7, 2006.01]
A61K 31/704
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. . . . attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin, digitoxin [7, 2006.01]
A61K 31/7042
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. . Compounds having saccharide radicals and heterocyclic rings [7, 2006.01]
A61K 31/7048
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. . . having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin [7, 2006.01]
A61K 31/7052
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. . . having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides [7, 2006.01]
A61K 31/7056
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. . . . containing five-membered rings with nitrogen as a ring hetero atom [7, 2006.01]
A61K 31/706
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. . . . containing six-membered rings with nitrogen as a ring hetero atom [7, 2006.01]
A61K 31/7064
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. . . . . containing condensed or non-condensed pyrimidines [7, 2006.01]
A61K 31/7068
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. . . . . . having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid [7, 2006.01]
A61K 31/7072
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. . . . . . . having two oxo groups directly attached to the pyrimidine ring, e.g. uridine, uridylic acid, thymidine, zidovudine [7, 2006.01]
A61K 31/7076
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. . . . . . containing purines, e.g. adenosine, adenylic acid [7, 2006.01]
A61K 31/708
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. . . . . . . having oxo groups directly attached to the purine ring system, e.g. guanosine, guanylic acid [7, 2006.01]
A61K 31/7084
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. . Compounds having two nucleosides or nucleotides, e.g. nicotinamide-adenine dinucleotide, flavine-adenine dinucleotide [7, 2006.01]
A61K 31/7088
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. . Compounds having three or more nucleosides or nucleotides [7, 2006.01]
A61K 31/7105
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. . . Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links [7, 2006.01]
A61K 31/711
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. . . Natural deoxyribonucleic acids, i.e. containing only 2'-deoxyriboses attached to adenine, guanine, cytosine or thymine and having 3'-5' phosphodiester links [7, 2006.01]
A61K 31/7115
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. . . Nucleic acids or oligonucleotides having modified bases, i.e. other than adenine, guanine, cytosine, uracil or thymine [7, 2006.01]
A61K 31/712
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. . . Nucleic acids or oligonucleotides having modified sugars, i.e. other than ribose or 2'-deoxyribose [7, 2006.01]
A61K 31/7125
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. . . Nucleic acids or oligonucleotides having modified internucleoside linkage, i.e. other than 3'-5' phosphodiesters [7, 2006.01]
A61K 31/713
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. . . Double-stranded nucleic acids or oligonucleotides [7, 2006.01]
A61K 31/7135
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. . Compounds containing heavy metals [7, 2006.01]
A61K 31/714
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. . . Cobalamins, e.g. cyanocobalamin, vitamin B12 [7, 2006.01]
A61K 31/715
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. . Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters [2, 2006.01]
A61K 31/716
Show hierarchy
. . . Glucans [7, 2006.01]
A61K 31/717
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. . . . Celluloses [7, 2006.01]
A61K 31/718
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. . . . Starch or degraded starch, e.g. amylose, amylopectin [7, 2006.01]
A61K 31/719
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. . . . Pullulans [7, 2006.01]
A61K 31/721
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. . . . Dextrans [7, 2006.01]
A61K 31/722
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. . . . Chitin; Chitosan [7, 2006.01]
A61K 31/723
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. . . . Xanthans [7, 2006.01]
A61K 31/724
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. . . . Cyclodextrins [7, 2006.01]
A61K 31/726
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. . . Glycosaminoglycans, i.e. mucopolysaccharides (chondroitin sulfate, dermatan sulfate A61K 31/737) [7, 2006.01]
A61K 31/727
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. . . . Heparin; Heparan [7, 2006.01]
A61K 31/728
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. . . . Hyaluronic acid [7, 2006.01]
A61K 31/729
Show hierarchy
. . . Agar; Agarose; Agaropectin [7, 2006.01]
A61K 31/731
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. . . Carrageenans [7, 2006.01]
A61K 31/732
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. . . Pectin [7, 2006.01]
A61K 31/733
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. . . Fructosans, e.g. inulin [7, 2006.01]
A61K 31/734
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. . . Alginic acid [7, 2006.01]
A61K 31/736
Show hierarchy
. . . Glucomannans or galactomannans, e.g locust bean gum, guar gum [7, 2006.01]
A61K 31/737
Show hierarchy
. . . Sulfated polysaccharides, e.g. chondroitin sulfate, dermatan sulfate (A61K 31/727 takes precedence) [7, 2006.01]
A61K 31/738
Show hierarchy
. . . Cross-linked polysaccharides [7, 2006.01]
A61K 31/739
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. . . Lipopolysaccharides [7, 2006.01]
A61K 31/74
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. Synthetic polymeric materials [2, 2006.01]
A61K 31/745
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. . Polymers of hydrocarbons [2, 2006.01]
A61K 31/75
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. . . of ethene [2, 2006.01]
A61K 31/755
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. . Polymers containing halogen [2, 2006.01]
A61K 31/76
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. . . of vinyl chloride [2, 2006.01]
A61K 31/765
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. . Polymers containing oxygen [2, 2006.01]
A61K 31/77
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. . . of oxiranes [2, 2006.01]
A61K 31/775
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. . . Phenolic resins [2, 2006.01]
A61K 31/78
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. . . of acrylic acid or derivatives thereof [2, 2006.01]
A61K 31/785
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. . Polymers containing nitrogen [2, 2006.01]
A61K 31/787
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. . . containing heterocyclic rings having nitrogen as a ring hetero atom [7, 2006.01]
A61K 31/79
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. . . . Polymers of vinyl pyrrolidone [2, 2006.01]
A61K 31/795
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. . Polymers containing sulfur [2, 2006.01]
A61K 31/80
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. . Polymers containing hetero atoms not provided for in groups A61K 31/755-A61K 31/795 [2, 2006.01]
A61K 33/00
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Medicinal preparations containing inorganic active ingredients [2, 2006.01]
A61K 35/00
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Medicinal preparations containing materials or reaction products thereof with undetermined constitution [2, 2006.01]
A61K 36/00
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Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines [2006.01]
A61K 38/00
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Medicinal preparations containing peptides (peptides containing beta-lactam rings A61K 31/00; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, A61K 31/00; ergoline-based peptides A61K 31/48; containing macromolecular compounds having statistically distributed amino acid units A61K 31/74; medicinal preparations containing antigens or antibodies A61K 39/00; medicinal preparations characterised by the non-active ingredients, e.g. peptides as drug carriers, A61K 47/00) [6, 2006.01]
A61K 39/00
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Medicinal preparations containing antigens or antibodies (materials for immunoassay G01N 33/53) [2, 2006.01]
A61K 41/00
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Medicinal preparations obtained by treating materials with wave energy or particle radiation [2, 2006.01, 2020.01]
A61K 45/00
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Medicinal preparations containing active ingredients not provided for in groups A61K 31/00-A61K 41/00 [2, 6, 2006.01]
A61K 47/00
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Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient [2, 2006.01]
A61K 48/00
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Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy [5, 2006.01]
A61K 49/00
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Preparations for testing in vivo [3, 2006.01]
A61K 50/00
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Electrically conductive preparations for use in therapy or testing in vivo, e.g. conductive adhesives or gels to be used with electrodes for electrocardiography [ECG] or for transcutaneous drug administration [2006.01]
A61K 51/00
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Preparations containing radioactive substances for use in therapy or testing in vivo [6, 2006.01]
A61K 101/00
Indexing scheme associated with group A61K 51/00, relating to the nature of the radioactive substance. [6]
A61K 101/00
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Radioactive non-metals [6, 2006.01]
A61K 103/00
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Radioactive metals [6, 2006.01]
A61K 125/00
Indexing scheme associated with group A61K 36/00, relating to plant parts with medicinal activity. [2006.01]
A61K 125/00
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Containing or obtained from roots, bulbs, tubers, corms or rhizomes [2006.01]
A61K 127/00
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Containing or obtained from leaves [2006.01]
A61K 129/00
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Containing or obtained from bark [2006.01]
A61K 131/00
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Containing or obtained from seeds, nuts, fruits or grains [2006.01]
A61K 133/00
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Containing or obtained from flowers or blossoms [2006.01]
A61K 135/00
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Containing or obtained from stems, stalks, branches, twigs or shoots [2006.01]
A61L
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METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) [4]
A61M
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DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D 7/00;  means for inserting tampons A61F 13/26;  devices for administering food or medicines orally A61J;  containers for collecting, storing or administering blood or medical fluids A61J 1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B;  chemical aspects of surgical articles A61L;  magnetotherapy using magnetic elements placed within the body A61N 2/10); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR [4, 5]
A61N
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ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B 18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) [6]
A61P
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SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS [7]
A61Q
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SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS [2006.01]
A62
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LIFE-SAVING; FIRE-FIGHTING
A63
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SPORTS; GAMES; AMUSEMENTS
A99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
B
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PERFORMING OPERATIONS; TRANSPORTING
C
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CHEMISTRY; METALLURGY
D
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TEXTILES; PAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
G
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PHYSICS
H
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ELECTRICITY

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