| 536 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 1.11 | DF | .~ Carbohydrates or derivatives {15} |
| 123.1 | DF | .~.~ Polysaccharides {2} |
| 123.13 | ![]() | .~.~.~ Disaccharides (e.g., maltose, sucrose, lactose, formaldehyde lactose, etc.) |