| 英文同义词: | ethyl 1-(3-chlorophenyl)-4-hydroxy-6-oxo-1,6-dihydropyridazine-3-carboxylate;3-Pyridazinecarboxylic acid, 1-(3-chlorophenyl)-1,6-dihydro-4-hydroxy-6-oxo-, ethyl ester;Ethyl 1-(3-chlorophenyl)-4-hydroxy-6-oxo-1,6-dihydro-3-pyridazinecarboxylate |