(1S,3R,5R,9R,13R)-9-((R)-1-hydroxyethyl)-3-(4-(3-hydroxyphenyl)butyl)-16,16-dimethyl-2,6,10,17-tetraoxatricyclo[11.3.1.11,5]octadecane-7,11-dione

2-((2R,6S,8R,10R)-10-(((3R,4R)-4-(benzyloxy)-3-((triethylsilyl)oxy)pentanoyl)oxy)-8-(4-(3-(benzyloxy)phenyl)butyl)-5,5-dimethyl-1,7-dioxaspiro[5.5]undecan-2-yl)acetic acid

(1S,3R,5R,9R,13R)-9-((R)-1-(benzyloxy)ethyl)-3-(4-(3-(benzyloxy)phenyl)butyl)-16,16-dimethyl-2,6,10,17-tetraoxatricyclo[11.3.1.11,5]octadecane-7,11-dione

(2R,4R,6R,8R)-8-allyl-2-(4-(3-(benzyloxy)phenyl)butyl)-11,11-dimethyl-1,7-dioxaspiro[5.5]undecan-4-yl (3R,4R)-4-(benzyloxy)-3-hydroxypentanoate

(2R,4R,6R,8R)-8-allyl-2-(4-(3-(benzyloxy)phenyl)butyl)-11,11-dimethyl-1,7-dioxaspiro[5.5]undecan-4-yl (3R,4R)-4-(benzyloxy)-3-((triethylsilyl)oxy)pentanoate