2-Chloroethyl 2-(2,4-dichlorophenoxy)ethyl methyl phosphate 7441-65-8 8060 HC Methyl-beta-chloroethyl phosphate de dichloro-2,4-phenyoxyethyle [French] Phosphoric acid, 2-chloroethyl 2-(2,4-dichlorophenoxy)ethyl methyl ester