Also Called: Phosphonic acid, (2,2,2-trichloro-1-hydroxyethyl)-, dimethyl ester; trichlorfon (ISO); dimethyl 2,2,2-trichloro-1-hydroxyethylphosphonate; Trichlorfon = Dipterex; Trichlorfon (ISO) [Dimethyl 2,2,2-trichloro-1-hydroxyethylphosphonate];Trichlorfon;DEP;Dimethyl 2,2,2-trichloro-1-hydroxyethylphosphonate [tichlorfon or DEP]