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PCE
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DIFF Subgroup
C07F 9/4866

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) > with one or more P—C bonds > Phosphonous acids [RP(OH)2] ; Thiophosphonous acids

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.