| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 506 | DF | .~ Ester DOAI {10} |
| 519 | DF | .~.~ Cyano or isocyano bonded directly to carbon {2} |
| 520 | DF | .~.~.~ Benzene ring containing {3} |
| 523 | DF | .~.~.~.~ Additional nitrogen other than cyano {1} |
| 524 | ![]() | .~.~.~.~.~ The cyano is bonded directly to a benzene ring |