M-81, S-2-ethylthioethyl O,O-dimethyl phosphorodithioate, 2-ethylsulfanylethylsulfanyl-dimethoxy-sulfanylidene-λ<sup>5</sup>-phosphane, S-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorodithioate, S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorodithioate, Dithiomethon, Ekatin aerosol, Dithiometasystox, Ekatim, Intration, Ekatin, Luxistelm, Ebicid, dithiophosphoric acid S-(2-ethylsulfanyl-ethyl) ester O,O'-dimethyl ester, Thiometon, Intrathion, Dithiophosphorsaeure-S-(2-aethylmercapto-aethylester)-O,O'-dimethylester