Similar names: 3-Pyridinecarboxylic acid, 1,6-dihydro-6-oxo-; Nicotinic acid, 1,6-dihydro-6-oxo- (8CI); Nicotinic acid, 6-hydroxy- (6CI,7CI); 1,6-Dihydro-6-oxo-3-pyridinecarboxylic acid; 2-Hydroxy-5-carboxypyridine; 2-Hydroxypyridine-5-carboxylic acid; 2-Pyridone-5-carboxylic acid; 5-Carboxy-2-pyridone; 6-Hydroxyniacin; 6-Hydroxynicotinic acid; 6-Hydroxypyridine-3-carboxylic acid; 6-Oxo-1,6-dihydro-pyridine-3-carboxylic acid; NSC 35054; NSC 53377; NSC 8620