1-ethyl-6-iodo-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid

1-((2S)-1-tert-buthyldimethylsilyloxy-3-methylbutan-2-yl)-6-(3-chloro-2-fluorobenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester

4-fluorobenzyl-1-cyclopropyl-6-(4-fluorobenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

ethyl 1-cyclopropyl-6-(4-fluorobenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

1-ethyl-6-iodo-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester