| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 675 | DF | .~ Ketone DOAI {3} |
| 678 | DF | .~.~ Benzene ring containing {2} |
| 688 | DF | .~.~.~ C=O bonded directly to benzene ring (e.g., acetophenone, etc.) {1} |
| 689 | | .~.~.~.~ Oxygen single bonded to carbon |