2779-66-0 ENT 25,593 G 30493 Geigy G-30493 O,O-Dimethyl S-(3,4-dichlorophenylthio)methyl phosphorodithioate Phosphorodithioic acid, S-((3,4-dichlorophenylthio)methyl) O,O-dimethyl ester S-((3,4-Dichlorophenylthio)methyl) O,O-dimethyl phosphorodithioate