(1S,3R,5R)-1-((4S,5S)-5-((R)-1-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)propan-2-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)-5,6-dimethyl-3-((triisopropylsilyl)oxy)hept-6-en-1-ol