| 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} |
| 56 | DF | .~.~ Cellulose or derivative {4} |
| 84 | DF | .~.~.~ Ethers {7} |
| 93 | | .~.~.~.~ Unsaturated {1} |
| 94 | DF | .~.~.~.~.~> Aromatic nucleus containing |