英文同义词: | ethyl 4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate;ethyl 4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylat;ETHYL 2,4-DIHYDROXY-1,8-NAPHTHYRIDINE-3-CARBOXYLATE;1,8-Naphthyridine-3-carboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester |