Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C07D 243/06

having the nitrogen atoms in positions 1 and 4

Introduced: July 1974

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 4

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

Navigate with arrow keys, Enter to open

  • C07D 243/08 not condensed with other rings since 1974 IPC+CPC Available in IPC and CPC