12767-20-3 8022-00-2 8067-66-1 Bayer 21/116 CCRIS 3898 Caswell No. 456 Demeton M Demeton methyl Demeton-methyl EPA Pesticide Chemical Code 058701 METHYLMECAPTOPHOS Metasystox Metasystox forte Methyl demeton Methyl demeton 25 EC Methyl mercaptophos Methyl systox Methyl-mercaptophos Methylmerkaptofos [Czech] Phosphorothioic acid, O,O-dimethyl O-(2-(ethylthio)ethyl) ester, mixed with O,O-dimethyl S-(2-(ethylthio)ethyl) ester (7:3) Phosphorothioic acid, O-(2-(ethylthio)ethyl) O,O-dimethyl ester, mixt. with S-(2-(ethylthio)ethyl) O,O-dimethyl ester Phosphorothioic acid, O-(2-(ethylthio)ethyl) O,O-dimethyl ester, mixt. with S-(2-(ethylthio)ethyl) O,O-dimethyl phosphorothioate S(and O)-2-(Ethylthio)ethyl O,O-dimethyl phosphorothioate