2984-65-8 AI3-27250 BAY 42903 BRN 2644167 Bayer 42903 ENT 27,250 N 4328 O-Methyl S-(4-methylphenyl) ethylphosphonodithioate Phosphonodithioic acid, ethyl-, O methyl S-(4-methylphenyl) ester Phosphonodithioic acid, ethyl-, O-methyl S-(4-methylphenyl) ester Phosphonodithioic acid, ethyl-, O-methyl S-(p-tolyl) ester Stauffer N-4328