3581-24-6 BRN 1990319 O-(4-Cyano-3-methoxyphenyl) O,O-dimethyl phosphorothioate Phosphorothioic acid, O,O-dimethyl O-(4-cyano-3-methoxyphenyl) ester Phosphorothioic acid, O-(4-cyano-3-methoxyphenyl) O,O-dimethyl ester