diethoxy-sulfanylidene-(1,2,2,2-tetrachloroethoxy)-λ<sup>5</sup>-phosphane, O,O-diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate, Chlorethoxyphos, rac-O,O-diethyl O-[(1R)-1,2,2,2-tetrachloroethyl] phosphorothioate, Fortress, Chlorethoxyfos, O,O-diethyl (RS)-O-(1,2,2,2-tetrachloroethyl) phosphorothioate, Chloroethoxyfos