13677-62-8 4-06-00-00809 (Beilstein Handbook Reference) BRN 2533746 O,O-Diethyl O-(2-chlorophenyl) phosphorothioate O-(2-Chlorophenyl) O,O-diethyl phosphorothioate Phosphorothioic acid, O-(2-chlorophenyl) O,O-diethyl ester