7-chloro-6-fluoro-1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid

ethyl 1-(5-tert-butoxycarbonylamino-2,3,4-trifluorophenyl)-7-chloro-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate

1-(5-amino-2,4-difluorophenyl)-7-chloro-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

1-(3-amino-2,4-difluorophenyl)-7-[(3S)-3-aminopyrrolidin-1-yl]-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

7-Chloro-6-fluoro-1-naphthalen-1-yl-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester