2-(((1R,2R,3aS,9aS)-1-((S)-3-((tert-butyldimethylsilyl)oxy)octyl)-2-hydroxy-2,3,3a,4,9,9a-hexahydro-1H-cyclopenta[b]naphthalen-5-yl)oxy)acetonitrile

(1R,2R,3aS,9aS)-1-((S)-3-((tert-butyldimethylsilyl)oxy)octyl)-2,3,3a,4,9,9a-hexahydro-1H-cyclopenta[b]naphthalene-2,5-diol