Synonyms: 1-(2,4-difluorophenyl)-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid;182869-27-8;1,8-Naphthyridine-3-carboxylic acid, 1-(2,4-difluorophenyl)-7-(4-ethyl-1-piperazinyl)-6-fluoro-1,4-dihydro-4-oxo-;1837-70-3;AC1LA8QV;AC1Q4NG8;KST-1B1220;AR-1B0154;1-(2,4-difluorophenyl)-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid