(1-(1-Hydroxy-2,2,2-trichloroethoxy)-2,2,2-trichloroethyl)phosphonic acid, dimethyl ester 2,2,2-Trichloro-1-(2,2,2-trichloro-1-hydroxyethoxy)ethyl phosphonate 69298-90-4 BRN 2140607 Dimethyl 2,2,2-trichloro-1-(2,2,2-trichloro-1-hydroxyethoxy)ethylphosphonate Phosphonic acid, (1-(1-hydroxy-2,2,2-trichloroethoxy)-2,2,2-trichloroethyl)-, dimethyl ester Trichlorfon-chloral hemiacetal