| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
|
| 1 | DF | DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29} |
| 183 | DF | .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16} |
| 449 | DF | .~.~ Oxygen containing hetero ring {4} |
| 461 | DF | .~.~.~ The hetero ring is five-membered {5} |
| 463 |  | .~.~.~.~ Plural ring oxygens in the hetero ring {2} |
| 464 | DF | .~.~.~.~.~> Bicyclo ring system having the hetero ring as one of the cyclos (e.g., methylenedioxyphenyl group, etc.) {2} |
| 467 | DF | .~.~.~.~.~> Only two ring oxygens in the hetero ring which is not a polycyclo ring system (e.g., dioxolane, etc.) |