| 英文同义词: | 1-(2,4-Difluorophenyl)-4-oxo-6-fluoro-7-chloro-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid ethyl ester;1-(2,4-Difluorophenyl)-7-chloro-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid ethyl ester;7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid ethyl ester |