O-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorothioate, Methyl-demeton-O, O-2-ethylthioethyl O,O-dimethyl phosphorothioate, Demeton-S-methyl, O,O-Dimethyl O-ethylmercaptoethyl thiophosphate, O-[2-(ethylthio)ethyl] O,O-dimethyl phosphorothioate, Demeton-O-methyl, 2-ethylsulfanylethoxy-dimethoxy-sulfanylidene-λ<sup>5</sup>-phosphane, methylmercaptophos, EINECS 212-758-1, Methyl-O-demeton