The Ring Nitrogen Is Bonded Directly To Two Ring Carbons Of The Same Cyclo Which Carbons Are Members Of One Cyclo Only (i.e., Isoindoles Or Isoindolenines) Patents (Class 548/470)
- Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring (e.g., phthalimides, etc.) (Class 548/473)
- Polycyclo carbocyclic ring system having at least three cyclos (Class 548/474)
- Chalcogen or nitrogen attached directly to the ring nitrogen of the five membered hetero ring by nonionic bonding (Class 548/475)
- Benzene ring bonded directly to the ring nitrogen of the five-membered hetero (Class 548/476)
- Nitrogen attached indirectly to the ring nitrogen of the five-membered hetero ring by acyclic nonionic bonding (Class 548/477)
- Chalcogen attached indirectly to the ring nitrogen of the five-membered hetero ring by acyclic nonionic bonding (Class 548/478)
- The ring nitrogen of the five-membered hetero ring is unsubstituted or hydrocarbyl substituted only (Class 548/480)