| C | SK | CHEMISTRY; METALLURGY |
| C07 | KL | ORGANIC CHEMISTRY [2] |
| C07G | UKL | COMPOUNDS OF UNKNOWN CONSTITUTION (sulfonated fats, oils or waxes of undetermined constution C07C 309/62) |
| C07G 1/00 | HGR | Low-molecular-weight derivatives of lignin (high-molecular-weight derivatives of lignin C08H 7/00) [1, 2006.01, 2011.01] |
| C07G 3/00 | HGR | Glycosides [1, 2006.01] |
| C07G 5/00 | HGR | Alkaloids [1, 2006.01] |
| C07G 9/00 | HGR | Ammonium bituminosulfonate, e.g. Ichthyol [1, 2006.01] |
| C07G 11/00 | HGR | Antibiotics [1, 2006.01] |
| C07G 13/00 | HGR | Vitamins of unknown constitution [1, 2006.01] |
| C07G 15/00 | HGR | Hormones [1, 2006.01] |
| C07G 99/00 | HGR | Subject matter not provided for in other groups of this subclass [2009.01] |