(R)-8-(benzyloxy)-5-(1-((tert-butyldimethylsilyl)oxy)-2-((4-((4-(2-morpholinoethoxy)phenyl)amino)phenethyl)amino)ethyl)quinolin-2(1H)-one

5-[(R)-2-(2-{4-[4-(2-amino-2-methyl-propoxy)-phenylamino]-phenyl}-ethylamino)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-benzyloxy-1H-quinolin-2-one

(R)-5-(2-((4-((6-(2-amino-2-methylpropoxy)-[1,1'-biphenyl]-3-yl)amino)phenethyl)amino)-1-((tert-butyldimethylsilyl)oxy)ethyl)-8-(benzyloxy)quinolin-2(1H)-one

5-[(R)-2-(2-{4-[4-(2-amino-2-methyl-propoxy)-phenylamino]-phenyl}-ethylamino)-1-hydroxy-ethyl]-8-benzyloxy-1H-quinolin-2-one

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