Polycyclo Ring System Having The Hetero Ring As One Of The Cyclos Patents (Class 549/456)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/463)
- Plural ring oxygens in the bicyclo ring system (Class 549/464)
- The bicyclo ring system consists of two five-membered cyclos (Class 549/465)
- Acyclic chalcogen bonded directly to the hetero ring (Class 549/466)
- Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/467)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/468)
- Benzene ring bonded directly to the hetero ring (Class 549/469)
- Chalcogen of -C(=X)X-, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (Class 549/470)
- Plural double bonds between ring members of the hetero ring (Class 549/471)