| C | SK | CHEMISTRY; METALLURGY |
| C07 | KL | ORGANIC CHEMISTRY (such compounds as the oxides, sulfides, or oxysulfides of carbon, cyanogen, phosgene, hydrocyanic acid or salts thereof C01; products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds C01B 33/44; macromolecular compounds C08; dyes C09; fermentation products C12; fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture C12P; production of organic compounds by electrolysis or electrophoresis C25B 3/00 , C25B 7/00) [2] |
| C07G | UKL | COMPOUNDS OF UNKNOWN CONSTITUTION |
| C07G 1/00 | HGR | Lignin; Lignin derivatives |
| C07G 3/00 | HGR | Glycosides (polysaccharides C08B) |
| C07G 5/00 | HGR | Alkaloids |
| C07G 9/00 | HGR | Ammonium bituminosulfonate, e.g. Ichthyol |
| C07G 11/00 | HGR | Antibiotics |
| C07G 13/00 | HGR | Vitamins (vitamin K_1_ C07C 50/14; pantothenic acid C07C 235/12; vitamins of the D group C07C 401/00; vitamin A C07C 403/00; pyridoxal, pyridoxamin C07D 213/66; pyridoxin C07D 213/67; vitamin C C07D 307/62; tocopherols C07D 311/72; lipoic acid C07D 339/04; vitamin B_1_ C07D 415/00; riboflavin C07D 475/14; biotin C07D 495/04; sideramines, corresponding desferri compounds C07F 15/03; vitamin B_12_ C07H 23/00) |
| C07G 15/00 | HGR | Hormones |
| C07G 17/00 | HGR | Other compounds of unknown constitution (sulfonated fats, oils or waxes of undetermined constitution C07C 309/62) |