7-Chloro-1-(3-fluoro-phenyl)-6-nitro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester

ethyl 6-amino-1-cyclopropyl-7-(4-(cyanomethyl)-1-piperazinyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

LIB-170

ethyl 1-cyclopropyl-7-(4-methyl-1-piperazinyl)-6-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate

1-tert-Butyl-6-nitro-4-oxo-7-pyrrolidin-1-yl-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester