triisopropylsilyl 2-((2R,4S,6S,8S,10S)-4-acetoxy-8-((R)-4-((4-methoxybenzyl)oxy)-3-methyl-2-methylenebutyl)-10-methyl-10-((triethylsilyl)oxy)-1,7-dioxaspiro[5.5]undecan-2-yl)acetate

(2S,4S,6R,8S,10S)-2-[(R)-4-(4-Methoxy-benzyloxy)-3-methyl-2-methylene-butyl]-4-methyl-8-[2-(naphthalen-2-ylmethoxy)-ethyl]-1,7-dioxa-spiro[5.5]undecane-4,10-diol

Acetic acid (2S,4S,6R,8S,10S)-10-hydroxy-8-[(R)-4-(4-methoxy-benzyloxy)-3-methyl-2-methylene-butyl]-10-methyl-2-[2-(naphthalen-2-ylmethoxy)-ethyl]-1,7-dioxa-spiro[5.5]undec-4-yl ester

Acetic acid (2S,4S,6R,8S,10S)-8-[(R)-4-(4-methoxy-benzyloxy)-3-methyl-2-methylene-butyl]-10-methyl-2-[2-(naphthalen-2-ylmethoxy)-ethyl]-10-triethylsilanyloxy-1,7-dioxa-spiro[5.5]undec-4-yl ester

(2S,4S,7R)-8-(4-Methoxy-benzyloxy)-2,7-dimethyl-6-methylene-1-{2-[(2S,4S)-6-(naphthalen-2-ylmethoxy)-2,4-bis-triethylsilanyloxy-hexyl]-[1,3]dithian-2-yl}-octane-2,4-diol