514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
476 | DF | .~ N-C(=X)X containing (X is chalcogen) DOAI {3} |
478 | DF | .~.~ N-C(=X)-X-C containing {6} |
482 | ![]() | .~.~.~ N-C(=X)-N, N-C(=N)N, N-N, nitrogen directly bonded to oxygen by nonionic bonding or cyano containing |