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} |
525 | .~.~.~.~ Two or more of the cyano groups |