O,O-Dimethyl thiophosphate sodium salt sodium O,O-dimethyl thiophosphate sodium o,o-dimethylphosphorothioate sodium salt Phosphorothioic acid O,O-dimethyl O-sodium salt Thiophosphoric acid O,O-dimethyl O-sodium salt O,O-Dimethylphosphorothioic acid sodium salt Sodium O,O-Dimethyl Thiophosphate (Technical grade) PHOSPHOROTHIOIC ACID, O,O-DIMETHYL ESTER, SODIUM SALT