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

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

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

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

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