(5S,6R,7R,8R,Z)-7-((tert-butyldimethylsilyl)oxy)-12-((4-methoxybenzyl)oxy)-6,8-dimethyldodec-10-en-2-yn-5-yl 2,4-dimethoxy-6-((2R,3S)-3-methyl-2-((triisopropylsilyl)oxy)hept-5-yn-1-yl)benzoate