8-hydroxy-5-[(R)-1-hydroxy-2-(2-{4-[4-(2-morpholin-4-yl-ethoxy)-phenylamino]-phenyl}-ethylamino)-ethyl]-1H-quinolin-2-one

8-hydroxy-5-{(R)-1-hydroxy-2-[2-(4-{4-[2-(4-methanesulfonyl-piperazin-1-yl)-ethoxy]-phenylamino}-phenyl)-ethylamino]-ethyl}-1H-quinolin-2-one

8-hydroxy-5-[(R)-1-hydroxy-2-(2-{4-[4-(2-piperazin-1-yl-ethoxy)-phenylamino]-phenyl}-ethylamino)-ethyl]-1H-quinolin-2-one

2-(4-((((R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethyl)amino)methyl)-2-methylphenoxy)ethyl 4-((3-((S)-phenyl((((R)-quinuclidin-3-yloxy)carbonyl)amino)methyl)phenoxy)methyl)benzoate formate

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