217AO 3147-20-4 34067-35-1 4-04-00-01584 (Beilstein Handbook Reference) 470-94-0 BRN 1780326 Phosphorothioic acid, O,O-diethyl S-(2-dimethylaminoethyl) ester Phosphorothioic acid, S-(2-(dimethylamino)ethyl) O,O-diethyl ester, ethanedioate (1:1) S-(2-(N,N-Dimethylamino)ethyl)O,O-diethyl phosphorothiolate