having three nitrogen atoms as the only ring hetero atoms

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 three nitrogen atoms as the only ring hetero atoms

Child Classifications

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• C07F 9/6518 Five-membered rings
• C07F 9/6521 Six-membered rings