BAY 65031 Compound 3456 Diisopropyl parathion Isopropyl parathion O,O-Bis(1-methylethyl) O-(4-nitrophenyl) phosphorothioate O,O-Diisopropyl O-(p-nitrophenyl) phosphorothioate O,O-Diisopropyl O-p-nitrophenyl thiophosphate Phenol, p-nitro-, O-ester with O,O-diiso-Pr phosphorothioate Phosphorothioic acid, O,O-bis(1-methylethyl) O-(4-nitrophenyl) ester Phosphorothioic acid, O,O-diisopropyl O-(p-nitrophenyl) ester