(2S,3R,3aR,4S,5S,6S,8S,8aS)-2-((tert-butyldiphenylsilyl)oxy)-5-((R)-1,2-dihydroxypropan-2-yl)-6,8-bis(methoxymethoxy)-3,8-dimethyldecahydroazulene-4,5-diol

(R)-2-((2S,3R,3aR,4S,5R,6S,8S,8aS)-2-((tert-butyldiphenylsilyl)oxy)-5-hydroxy-6,8-bis(methoxymethoxy)-3,8-dimethyl-4-((triethylsilyl)oxy)decahydroazulen-5-yl)-2-hydroxypropyl acetate