DIFF Subgroup
C07F 9/6524 having four or more nitrogen atoms as the only ring hetero atoms
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Compounds containing elements of Groups 5 or 15 of the Periodic Table > Phosphorus compounds > Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom > having four or more nitrogen atoms as the only ring hetero atoms
CPC:
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 four or more nitrogen atoms as the only ring hetero atoms
No child classifications to compare. This is a leaf node in both IPC and CPC.