英文别名:
6-oxo-1,6-dihydropyridazine-4-carboxylic acid ethyl ester;ethyl 6-oxo-1,6-dihydropyridazine-4-carboxylate;4-Pyridazinecarboxylic acid, 1,6-dihydro-6-oxo-, ethyl ester;1,6-dihydro-6-oxo-4-Pyridazinecarboxylic acid Ethyl ester;Ethyl 6-hydroxypyridazine-4-carboxylate;Ethyl 1,6-dihydro-6-oxo-4-pyridazinecarboxylate