1217-97-6 BRN 1998906 ENT 27,121 O-(1-(4-Bromo-2-chlorophenyl)-2-chloroethenyl) O,O-dimethyl phosphorothioate Phosphorothioic acid, O-(1-(4-bromo-2-chlorophenyl)-2-chloroethenyl) O,O-dimethyl ester Phosphorothioic acid, O-(1-(4-bromo-2-chlorophenyl)-2-chlorovinyl) O,O-dimethyl ester SD 9320 Shell SD-9320