1-(2,4-Dimethoxy-benzyl)-3-[(2-dimethylamino-ethylamino)-methyl]-6-fluoro-7-pyrrolidin-1-yl-1H-[1,8]naphthyridin-4-one

1-(2,4-Dimethoxy-benzyl)-6-fluoro-3-phenylaminomethyl-7-pyrrolidin-1-yl-1H-[1,8]naphthyridin-4-one

1-(2,4-Dimethoxy-benzyl)-6-fluoro-3-hydroxymethyl-7-pyrrolidin-1-yl-1H-[1,8]naphthyridin-4-one

1-(2,4-Dimethoxy-benzyl)-6-fluoro-4-oxo-7-pyrrolidin-1-yl-1,4-dihydro-[1,8]naphthyridine-3-carbaldehyde

1-(2,4-Dimethoxy-benzyl)-6-fluoro-4-oxo-7-pyrrolidin-1-yl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid methoxy-methyl-amide