C07F 9/2425

Esteramides {the ester moiety containing a substituent or a structure which is considered as characteristic containing the structure (RX)(RR'N)P(=Y)-Z-(C)n-Z'-P(=Y)(XR)2 (X = O, S, NR; Y = O, S, electron pair; Z = O, S; Z' = O, S)}