95933 ā
Compounds containing elements of Groups 5 or 15 of the Periodic System; Phosphorus compounds with one or more PāC bonds; Phosphinic acids RP(=O)(OH); Thiophosphinic acids, i.e. RP(=X)(XH) (X = S, Se); Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic Esters of poly(thio)phosphinic acids