33841-12-2 4-10-00-00446 (Beilstein Handbook Reference) BRN 2655926 O,O-Diethyl O-(4-cyanophenyl) phosphorothioate O-(4-Cyanophenyl) O,O-diethyl phosphorothioate Phosphorothioic acid, O,O-diethyl ester, O-ester with p-hydroxybenzonitrile Phosphorothioic acid, O-(4-cyanophenyl) O,O-diethyl ester