IPC Subgroup
C07D 227/12 with hetero atoms directly attached to the ring nitrogen atom
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups > with hetero atoms directly attached to the ring nitrogen atom
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS