104559-35-5 119791-49-0 54593-83-8 BRN 2505303 Chlorethoxyfos Chlorethoxyfos [ANSI:ISO] Chlorethoxyphos Chloroethoxyfos DPX 43898 Fortress HSDB 7131 O,O-Diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate Phosphorothioic acid, O,O-diethyl O-(1,2,2,2-tetrachloroethyl) ester SD 208304