| 570 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 101 | DF | .~ HALOGEN CONTAINING {21} |
| 181 | DF | .~.~ Product {3} |
| 182 | | .~.~.~ Benzene ring containing {3} |
| 183 | DF | .~.~.~.~> Polycyclo ring system |
| 184 | DF | .~.~.~.~> Plural benzene rings bonded directly to the same acyclic carbon or attached by an acyclic carbon chain |
| 185 | DF | .~.~.~.~> Benzene ring and halogen bonded directly to the same acyclic carbon or attached by an acyclic carbon chain |