ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

6,7,8-Trifluoro-1,4-dihydro-1-[(1S)-2-hydroxy-1-methylethyl]-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester is used in the synthesis of the drug Levofloxacin (L360000), which is a S-(-) form of Ofloxacin (O245750), an antibiotic used against gram-negative organisms.