| 570 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
| * | DD | ORGANIC COMPOUNDS (Class 532, Subclass 1) {1} |
| 101 | DF | .~ HALOGEN CONTAINING {21} |
| 102 | DF | .~.~ With preservative or stabilizer {10} |
| 121 | DF | .~.~.~ Hydrocarbon, halocarbon or halohydrocarbon preservative or stabilizer {1} |
| 122 | ![]() | .~.~.~.~ Acyclic carbon to carbon unsaturation containing |