3-fluoro-6-(methyloxy)-1,5-naphthyridine-4-thiol

8-[(1,1-dimethylethyl)thio]-7-fluoro-2-(methyloxy)-1,5-naphthyridine

7-fluoro-2-(methyloxy)-8-{[(2S)-2-oxiranylmethyl]thio}-1,5-naphthyridine

(6R)-3-fluoro-6-(hydroxymethyl)-5,6-dihydro-8H-[1,4]thiazino[2,3,4-de]-1,5-naphthyridin-8-one

[(6R)-3-fluoro-8-oxo-5,6-dihydro-8H-[1,4]thiazino[2,3,4-de]-1,5-naphthyridin-6-yl]methyl methanesulfonate