CPC Subgroup
C07D 221/04 Ortho- or peri-condensed ring systems
Full Title
Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 > condensed with carbocyclic rings or ring systems > Ortho- or peri-condensed ring systems
2 direct subcodes
Child Classifications
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- C07D 221/06 Ring systems of three rings
- C07D 221/18 Ring systems of four or more rings