英文别名2-HYDROXY-5-NITRO-3-PYRIDINECARBOXYLIC ACID; 2-HYDROXY-5-NITROPYRIDINE-3-CARBOXYLIC ACID; 2-HYDRO-5-NITRONICOTINIC ACID; 5-Nitro-2-oxo-3-pyridinecarboxylic Acid; 2-keto-5-nitro-1H-pyridine-3-carboxylic acid; 5-nitro-2-oxo-1H-pyridine-3-carboxylic acid; 1,2-Dihydro-5-nitro-2-oxo-3-pyridinecarboxylic acid; 3-Carboxy-5-nitropyridine-2(1H)-one; 5-Nitro-2-oxo-1,2-dihydropyridine-3-carboxylic acid 
