2-Chloro-1-(2,5-dichlorophenyl)vinyl dimethyl phosphate 2274-69-3 AI3-27018 ENT 27,018 OMS 711 Phosphoric acid, 2-chloro-1-(2,5-dichlorophenyl)ethenyl dimethyl ester Phosphoric acid, 2-chloro-1-(2,5-dichlorophenyl)vinyl dimethyl ester SD 8211 Shell SD 8211