100492-04-4

7-CHLORO-1(2,4-DIFLUOROPHENYL-1,4-DIHYDRO)-6-DLUOR 7-chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid 1-(2,4-Difluorophenyl)-4-oxo-6-fluoro-7-chloro-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid 1,8-Naphthyridine-3-carboxylic acid, 7-chloro-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo- 1-(2,4-DIFLUOROPHENYL)-6-1LUORO-7-CHLONDE-4-OXO-1,4-DIHYDRO-1,8-NAPTHYRIDINE-3-CARBOXYLIC ACID[TOSUFLOXACIN PHARMACEUTICAL INTERMEDIATE]