S-[2-(ethanesulfinyl)ethyl] O,O-dimethyl phosphorothioate, S-2-ethylsulfinylethyl O,O-dimethyl phosphorothioate, Methyl oxydemeton S, S-[2-(ethylsulfinyl)ethyl] O,O-dimethyl phosphorothioate, Metasystox-R, Metasystemox R, Metaisosystox sulfoxide, Metasystemox, Aimco systox, 1-dimethoxyphosphorylsulfanyl-2-ethylsulfinylethane, O,O-dimethyl S-<2-(ethylsulfinyl)ethyl>phosphorothioate, methylmercaptophos oxide, thiophosphoric acid S-(2-ethanesulfinyl-ethyl) ester O,O'-dimethyl ester, PO-methylsystox-sulfoxide, Oxydemetonmethyl, Oxydemeton-methyl