1-Cyclopropyl-6-fluoro-7-chloro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

7-chloro-1-cycloprop ; nalidixic acid cyclopropyl ; 7-chloro-1-cyclopropyl-6-fluor ; 1-cyclopropyl-6-fluoro-7-chloride-4-oxo-1 ; 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-ox ; (s)-2-amino-3-(2,4-dimethylphenyl)propanoic acid ; 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyl ridine carbox.acid ; 7-chloro-1-cyclopropyl-1,4-dihydro-3-oxo-1,8-naphthyridine-3-carboxylic aci ; 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthylpyridinecarboxylic acid ; 3-carboxy-7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro[1,8]naphthyridine