英文同义词:2-Hydroxyisonicotini;4-Pyridinecarboxylic acid, 1,2-dihydro-2-oxo-;RARECHEM AL BO 2291;4-CARBOXY-2(1H)-PYRIDINONE;2-HYDROXYISONICOTINIC ACID;2-HYDROXYPYRIDINE-4-CARBOXYLIC ACID;2-HYDROXY-4-PYRIDINECARBOXYLIC ACID;1,2-Dihydro-2-oxopyridine-4-carboxylic acid