DIFF Subgroup
C07F 9/65515 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 oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.