(1R,2S,3aS,4S,6S,8S,8aR,E)-2-((tert-butyldiphenylsilyl)oxy)-7-(1-hydroxypropan-2-ylidene)-4-(methoxymethoxy)-1,4-dimethyl-8-((triethylsilyl)oxy)decahydroazulen-6-ol

2-((2S,3R,3aR,4S,6S,8S,8aS,E)-2-((tert-butyldiphenylsilyl)oxy)-6-hydroxy-8-(methoxymethoxy)-3,8-dimethyl-4-((triethylsilyl)oxy)octahydroazulen-5(1H)-ylidene)propyl acetate