| 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} |
| 277 |  | .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11} |
| 278 | DF | .~.~.~> Spiro ring system |
| 279 | DF | .~.~.~> Polycyclo ring system having the six-membered hetero ring as one of the cyclos {4} |
| 315 | DF | .~.~.~> Piperidines {2} |
| 332 | DF | .~.~.~> Plural six-membered hetero rings consisting of one nitrogen and five carbon atoms {3} |
| 336 | DF | .~.~.~> Additional hetero ring containing {2} |
| 344 | DF | .~.~.~> Cyano bonded directly to the six-membered hetero ring |
| 345 | DF | .~.~.~> Chalcogen bonded directly to ring carbon of the six-membered hetero ring {6} |
| 352 | DF | .~.~.~> Nitrogen attached directly to the six-membered hetero ring by nonionic bonding {1} |
| 354 | DF | .~.~.~> C=O bonded directly to the six-membered hetero ring {1} |
| 357 | DF | .~.~.~> Nitrogen attached indirectly to the six-membered hetero ring by nonionic bonding |
| 358 | DF | .~.~.~> The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salt, etc.) |