IPC Subgroup
C07D 243/04 having the nitrogen atoms in positions 1 and 3
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms > having the nitrogen atoms in positions 1 and 3
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS