phenylmethyl 7-chloro-1-cyclopropyl-6-({2-[(2-hydroxyethyl)oxy]ethyl}amino)-4-oxo-1,4-dihydro-3-quinolinecarboxylate

7-methoxy-1-cyclopropyl-6-[2-(2-hydroxy-ethoxy)-ethylamino]-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

4''-O-[3-(2-{[2-(3-carboxy-7-chloro-1-cyclopropyl-1,4-dihydro-4-oxoquinolin-6-yl)ethylamino]oxy}ethyloxy)propanoyl]-azithromycin

6-{2-[2-(2-carboxy-ethoxy)ethoxy]ethylamino}-1-cyclopropyl-7-chloro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

6-{2-[2-(3-amino-propoxy)ethoxy]ethylamino}-1-cyclopropyl-4-oxo-1,4-dihydro-quinoline-3- carboxylic acid