Nitrogen Attached Indirectly To Ring Carbon Of The Bicyclo Ring System By Acyclic Nonionic Bonding Patents (Class 548/503)
- The nitrogen is double or triple bonded directly to carbon (Class 548/505)
- Benzene ring bonded directly or attached indirectly by an acyclic carbon or an acyclic carbon chain to ring carbon of the five-membered hetero ring (Class 548/506)
- Chalcogen or additional nitrogen attached indirectly to ring carbon of the five-membered hetero ring by acyclic nonionic bonding (Class 548/507)