3-quinolinecarboxylic acid, 5-chloro-1-ethyl-1,4-dihydro-4-oxo-, ethyl ester InChI=1/C14H14ClNO3/c1-3-16-8-9(14(18)19-4-2)13(17)12-10(15)6-5-7-11(12)16/h5-8H,3-4H2,1-2H ethyl 5-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate