((Methoxy(methylthio)phosphinyl)thio)butanedioic acid diethyl ester (Methoxy(methylthio)phosphinothioyl)butanedioic acid diethyl ester 3344-12-5 8063HC Butanedioic acid, ((methoxy(methylthio)phosphinothioyl)thio)diethyl ester (9CI) CCRIS 5620 Isomalathion Mercaptosuccinic acid diethyl ester, S-ester with O,S-dimethylphosphorodithioate S-Methylmalathion Succinic acid, mercapto-, diethyl ester, S-ester with O,S-dimethyl phosphorodithioate