tert-butyl-[[2-[tert-butyl(dimethyl)silyl]oxy-5-[4-(2-piperidin-1-ylethoxy)phenyl]-5,11-dihydrochromeno[4,3-c]chromen-8-yl]oxy]-dimethylsilane

(5S)-2,2-dimethylpropionic acid 8-(2,2-dimethylpropionyloxy)-5-[4-(2-(piperidin-1-yl)ethoxy)phenyl]-5,11-dihydrochromeno[4,3-c]-chromene-2-yl ester

5-(tert-butyl-dimethyl-silyloxy)-2-(7-(tert-butyl-dimethyl-silyloxy)-4-{hydroxy-[4-(2-pyrroidine-1-yl-ethoxy)-phenyl]-methyl}-2H-chromen-3-yl)-phenol

5-(tert-butyl-dimethyl-silyloxy)-2-[7-(tert-butyl-dimethyl-silyloxy)-4-[(4-dimethylamino-phenyl)-hydroxy-methyl]-2H-chromen-3-yl]-phenol

1-(2{-4-[2,8-bis-(tert-butyl-dimethyl-silyloxy)-5,11-dihydro-chromeno[4,3-c]-chromen-5-yl]-phenoxy}-ethyl)-azepane