(+-)-Leptophos 21609-90-5 73270-49-2 AI3-27378 Abar Abar (velsicol) BRN 2152663 Caswell No. 525B EINECS 244-472-8 EPA Pesticide Chemical Code 525300 Fosvel HSDB 2621 K62-105 LEPTOPHOS MBCP NK 711 O-(2,5-Dichloro-4-bromophenyl) O-methyl phenylthiophosphonate O-(4-Bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate O-Methyl O-2,5-dichloro-4-bromophenyl phenylthiophosphonate O-Methyl-O-(4-bromo-2,5-dichlorophenyl)phenyl thiophosphonate OMS 1438 Oleophosvel Phenylphosphonothioic acid O-(4-bromo-2,5-dichlorophenyl) O-methyl ester Phosphonothioic acid, phenyl-, O-(4-bromo-2,5-dichlorophenyl) O-methyl ester Phosphonothioic acid, phenyl-, O-(4-bromo-2,5-dichlorophenyl) O-methyl ester (8CI)(9CI) Phosvel VCS 5-D VCS-506 Velsicol 506 Velsicol VCS 506