| 514 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS | 
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| 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} | 
| 359 | DF | .~.~ Five-membered hetero ring containing at least one nitrogen ring atom (e.g., 1,2,3-triazoles, etc.) {11} | 
| 408 | DF | .~.~.~ The five-membered hetero ring consists of one nitrogen and four carbons {9} | 
| 410 | DF | .~.~.~.~ Polycyclo ring system having the five-membered hetero ring as one of the cyclos {2} | 
| 412 | DF | .~.~.~.~.~ Bicyclo ring system having the five-membered hetero ring as one of the cyclos {4} | 
| 415 |  | .~.~.~.~.~.~ The bicyclo ring system consists of the five-membered hetero ring and a benzene ring (e.g., indole, etc.) {3} | 
| 416 | DF | .~.~.~.~.~.~.~> The ring nitrogen is bonded directly to nonshared ring carbons of the five-membered hetero ring (e.g., isoindole, etc.) {1} | 
| 418 | DF | .~.~.~.~.~.~.~> Chalcogen bonded directly to ring carbon of the five-membered hetero ring | 
| 419 | DF | .~.~.~.~.~.~.~> C=X bonded directly or indirectly by an acyclic carbon or carbon chain to ring carbon of the five-membered hetero ring (e.g., tryptophan, etc.) (X is chalcogen) {1} |