N-benzyl-3-(4-{[(2R)-2-{[tert-butyl(dimethyl)silyl]oxy}-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethyl]amino}piperidin-1-yl)propanamide

8-(benzyloxy)-5-{(1R)-1-hydroxy-2-[({(2S)-1-[3-(2-phenylethoxy)propyl]pyrrolidin-2-yl}methyl)amino]ethyl}quinolin-2(lh)-one

5-{(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}-2-[({(3R)-1-[2-(2-phenylethoxy)ethyl]piperidin-3-yl}methyl)amino]ethyl}-8-hydroxyquinolin-2(1H)-one

8-(benzyloxy)-5-{(1R)-1-hydroxy-2-[({4-methyl-1-[2-(2-phenylethoxy)ethyl]piperidin-4-yl}methyl)amino]ethyl}quinolin-2(1H)-one