3700-98-9 Carb-N-butoxy malaoxon O,O-Dimethyl S-(1,2-dicarb-n-butyoxy)ethyl phosphorothioic acid Phosphorothioic acid, O,O-dimethyl ester, S-ester with 1,2-bis(butoxycarbonyl)ethanethiol Phosphorothioic acid, S-(1,2-dibutoxycarbonyl)ethyl O,O-dimethyl ester S-(1,2-Dibutoxycarbonyl)ethyl O,O-dimethyl phosphorothioate