6-(3-Aminopropyl)-1-(dimethylamino)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid hydrochloride

4''-O-{3-[3-(3-carboxy-1,4-dihydro-1-dimethylamino-4-oxo-6-quinolinyl)propylamino]propionyl}-6-O-methylerythromycin A

2'-O-acetyl-4''-O-{3-[3-(3-carboxy-1-dimethylamino-4-oxo-1,4-dihydro-quinolin-6-yl)-propylamino]-propyl}-6-O-methyl-11-desoxy-11(R)-aminoerythromycin A 11,12-carbamate