英文同义词:
4-Hydroxy-6-Methoxy-[1,5]naphthyridine-3- carboxylic Acid Ethyl Ester;ethyl 4-hydroxy-6-methoxy-1,5-naphthyridine-3-carbox;1,5-Naphthyridine-3-carboxylic acid, 4-hydroxy-6-methoxy-, ethyl ester;Ethyl 4-hydroxy-6-methoxy-1,5-naphthyridine-3-carboxylate