C07F9/4059 - 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); Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic; Esters of arylalkanephosphonic acids Compounds containing the structure (RY)2P(=X)-(CH)n-C(=O)-(CH)m-Ar, (X, Y = O, S, Se; n>=1, m>=0)

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