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

6-[2-({2-[(2-aminoethyl)oxy]ethyl}oxy)ethyl]-1-ethyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid hydrochloride

6-(3-amino-propyl)-1-ethyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid sodium salt

6-[2-({2-[(2-aminoethyl)oxy]ethyl}oxy)ethyl]-1-ethyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid

1-ethyl-4-oxo-6-[3-({2-[(phenylmethyl)oxy]ethyl}oxy)-1-propyn-1-yl]-1,4-dihydro-3-quinolinecarboxylic acid