17650-80-5 BAY 51926 BRN 2537750 O,O-Dimethyl O-(3-nitro-p-tolyl) phosphorothioate Phosphorothioic acid, O,O-dimethyl O-(3-nitro-p-tolyl) ester Phosphorothioic acid, O,O-dimethyl O-(4-methyl-3-nitrophenyl) ester