trans-4-[(9-{[(2R)-2-{[tert-butyl(dimethyl)silyl]oxy}-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethyl]amino}nonyl)(methyl)amino]cyclohexylhydroxy(di-2-thienyl)acetate

5-{(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}-2-[({4-hydroxy-1-[2-(2-phenylethoxy)ethyl]piperidin-4-yl}methyl)amino]ethyl}-8-hydroxyquinolin-2(1H)-one

5-((1R)-1-{[tert-butyl(dimethyl)silyl]oxy}-2-{[(1-{2-[2-(2,6-dichlorophenyl)ethoxy]ethyl}-4-hydroxypiperidin-4-yl)methyl]amino}ethyl)-8-hydroxyquinolin-2(1H)-one

5-((1R)-1-{[tert-butyl(dimethyl)silyl]oxy}-2-{[(1-{2-[2-(2,3-dichlorophenyl)ethoxy]ethyl}-4-hydroxypiperidin-4-yl)methyl]amino}ethyl)-8-hydroxyquinolin-2(1H)-one