| 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} | 
| 124 |  | .~.~ Processes {3} | 
| 125 | DF | .~.~.~> Isomerization | 
| 126 | DF | .~.~.~> Polymerization | 
| 127 | DF | .~.~.~> Purification or recovery {1} |