(+-)-Debromoleptophos (+-)-Desbromoleptophos (+-)-Phenylphosphonothioic acid O-(2,5-dichlorophenyl) O-methyl ester 73270-48-1 BRN 2872007 Phosphonothioic acid, phenyl-, O-(2,5-dichlorophenyl) O-methyl ester, (+-)-