20300-00-9 Phosphorothioic acid, O,O-dimethyl 2-((2-methyl-2-(methylamino)-2-oxoethyl)sulfinyl)ethyl ester Phosphorothioic acid, O,O-dimethyl ester, S-ester with 2-((2-mercaptoethyl)sulfinyl)-N-methylpropionamide