The Other Ring Is A Benzene Ring Patents (Class 548/304.4)
- The additional hetero ring is a cyclo in a polycyclo ring system (e.g., benzofuranyl-benzimidazole, etc.) (Class 548/305.1)
- The additional hetero ring contains nitrogen as the only ring hetero atom [e.g., 2-(2-imidazolin-2-yl)-benzimidazole; 1-p-chlorophenyl-3- pyrrolidin-1- yl-propyl benzimidazolone, etc.] (Class 548/306.1)
- Chalcogen attached directly to diazole ring nitrogen by nonionic bonding (Class 548/307.7)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring (Class 548/308.1)
- Having -C(=X)-X-, wherein the Xs are the same or diverse chalcogens, attached indirectly to the diazole ring by acyclic nonionic bonding (Class 548/308.7)