3099-88-5 ENT 25,771 N-2789 O-Ethyl S-(2-methylphenyl)ethylphosphonodithioate Phosphonodithioic acid, ethyl-, O-ethyl S-(2-methylphenyl) ester Phosphonodithioic acid, ethyl-, O-ethyl S-(o-tolyl) ester Stauffer N-2789