| 570 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 101 | DF | .~ HALOGEN CONTAINING {21} |
| 216 | DF | .~.~ Processes of preparing, purifying, or recovering unsaturated compound {12} |
| 219 | DF | .~.~.~ Plural diverse reactions in separate zones {2} |
| 223 | ![]() | .~.~.~.~ Including oxhalogenation or oxidation with elemental oxygen |