C07F9/4492 - CPC Classification

Compounds containing elements of Groups 5 or 15 of the Periodic System; Phosphorus compounds with one or more P—C bonds; Phosphonic acids RP(=O)(OH); Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se); Amides thereof the amide moiety containing a substituent or a structure which is considered as characteristic; Compounds containing the structure C-P(=X)(N-acyl)-X, C-P(=X)(N-heteroatom)-X or C-P(=X)(N-CN)-X (X = O, S, Se) Compounds containing the structure P(=X)(N-C(=X)-) (X = O, S, Se)

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