10-fluoro-3-(hydroxymethyl)-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one

butyl 3-[7-fluoro-2-(methyloxy)-8-quinolinyl]propanoate

1,1-dimethylethyl {1-[(10-fluoro-5-oxo-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-3-yl)methyl]-4-piperidinyl}carbamate