CPC Subgroup
C07F 9/553 having one nitrogen atom as the only ring hetero atom
Full Title
Compounds containing elements of Groups 5 or 15 of the Periodic Table > Phosphorus compounds (sugar phosphates C07H11/04; nucleotides C07H19/00, C07H21/00; nucleic acids C07H21/00) > Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom > having one nitrogen atom as the only ring hetero atom
6 direct subcodes
Child Classifications
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- C07F 9/564 Three-membered rings
- C07F 9/568 Four-membered rings
- C07F 9/572 Five-membered rings
- C07F 9/576 Six-membered rings