10265-93-7 BAY 65258 Bayer 65258 ENT 27,398 Ethyl methyl phosphoramidothioate, (EtO)(MeS)(H2N)PO NSC133011 O-Ethyl S-methyl phosphoramidothioate O-Ethyl S-methyl phosphoroamidothioate O-Ethyl-S-methyl thiophosphoramide Phosphoramidothioic acid, O-ethyl S-methyl ester WLN: 2OPZO&S1