3-Pyridinecarboxylic acid, 1,2-dihydro-6-hydroxy-2-oxo-
Nicotinic acid, 2,6-dihydroxy-
1,2-Dihydro-6-hydroxy-2-oxo-3-pyridinecarboxylic acid
2,6-Dihydroxynicotinic acid
2,6-Dihydroxypyridine-3-carboxylic acid
2-Hydroxy-6-oxo-1,6-dihydropyridine-3-carboxylic acid