英文同义词: | ethyl 7-methyl-4-oxo-1,8-naphthyridine-3-carboxylate;1,4-Dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid ethyl ester;ethyl 7-Methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate;1,8-NAPHTHYRIDINE-3-CARBOXYLIC ACID,1,4-DIHYDRO-7-METHYL-4-OXO-,ETHYL ESTER;7-Methyl-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester |