ethyl 2-(2,6-dichloro-3-fluoro-5-nicotinoyl)-3-(2-thiazolylamino)acrylate

ethyl 7-chloro-6-fluoro-1,4-dihydro-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

7-(4-Amino-piperidin-1-yl)-6-fluoro-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

7-(2-Aminomethyl-morpholin-4-yl)-6-fluoro-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

ethyl (R)-6-fluoro-1,4-dihydro-7-(3-hydroxy-1-pyrrolidinyl)-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

ethyl (S)-6-fluoro-1,4-dihydro-7-(3-hydroxy-1-pyrrolidinyl)-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

ethyl 6-fluoro-1,4-dihydro-7-(3-hydroxy-1-pyrrolidinyl)-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

ethyl (S)-7-(3-amino-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

ethyl (R)-7-(3-amino-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

7-((3S,4S)-3-Amino-4-methoxy-pyrrolidin-1-yl)-6-fluoro-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

ethyl 7-(3-amino-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-1-(2-thiazolyl)-1,8-naphthyridine-3-carboxylate

6-Fluoro-4-oxo-7-pyrrolidin-1-yl-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

7-(3-Dimethylamino-pyrrolidin-1-yl)-6-fluoro-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

6-Fluoro-7-(1-methyl-2,4,6,6a-tetrahydro-1H-pyrrolo[3,4-b]pyrrol-5-yl)-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

6-Fluoro-7-[4-(2-methoxy-phenyl)-piperazin-1-yl]-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

6-Fluoro-4-oxo-1-thiazol-2-yl-7-thiomorpholin-4-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester

7-((3R,4R)-3-Amino-4-methoxy-pyrrolidin-1-yl)-6-fluoro-4-oxo-1-thiazol-2-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester