DIFF Main Group
C07D 243/00 Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
Introduced: July 1974
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C07D 243/02 having the nitrogen atoms in positions 1 and 2 since 1974 IPC+CPC Available in IPC and CPC
- C07D 243/04 having the nitrogen atoms in positions 1 and 3 since 1974 IPC+CPC Available in IPC and CPC
- C07D 243/06 having the nitrogen atoms in positions 1 and 4 since 1974 IPC+CPC Available in IPC and CPC