Synonyms:
5-carboxypyridazin-3(2h)-one ; 1,6-dihydro-6-oxopyridazine-4-carboxylic acid ; 1,6-dihydro-6-oxo-pyridazin-4-carboxylic acid ; 4-pyridazinecarboxylic acid, 1,6-dihydro-6-oxo- ; 1,6-dihydro-6-oxo-4-pyridazinecarboxylic acid ; 3-oxo-2,3-dihydropyridazine-5-carboxylic acid