4-((3-Pyridinylcarbonyl)amino)benzoic acid N-oxide 5-22-02-00141 (Beilstein Handbook Reference) 62833-97-0 BENZOIC ACID, 4-((3-PYRIDINYLCARBONYL)AMINO)-, N-OXIDE BRN 0484685 Benzoic acid, p-nicotinamido-, 1'-oxide N-(4-Carboxyphenyl)nicotinamide 1-oxide Nicotinamide, N-(p-carboxyphenyl)-, 1-oxide