3-Carboxyfenitrothion 5-((Dimethoxyphosphinothioyl)oxy)-2-nitrobenzoic acid 54812-31-6 BENZOIC ACID, 5-((DIMETHOXYPHOSPHINOTHIOYL)OXY)-2-NITRO- BRN 2164235 Carbomethoxyfenitrothion Carboxyfenitrothion Carboxysumithion Phosphorothioic acid, O-(3-carboxy-4-nitrophenyl) O,O-dimethyl ester