| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 743 | DF | .~ Halogenated hydrocarbon DOAI {7} |
| 747 | | .~.~ Carbocyclic {3} |
| 748 | DF | .~.~.~> Two benzene rings directly attached to an acyclic hydrocarbon or acyclic halogenated hydrocarbon (e.g., D.D.T., etc.) {2} |
| 751 | DF | .~.~.~> Benzene ring containing {3} |
| 755 | DF | .~.~.~> Polycyclo ring system {1} |