3-quinolinecarboxylic acid, 5-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-, ethyl ester InChI=1/C14H13ClFNO3/c1-3-17-7-8(14(19)20-4-2)13(18)11-10(17)6-5-9(16)12(11)15/h5-7H,3-4H2,1-2H ethyl 5-chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate