(S)-4-benzyl-3-((2S,3S,4R,5S,6R)-3-((tert-butyldimethylsilyl)oxy)-4-((4-methoxybenzyl)oxy)-2,5,6-trimethyloct-7-enoyl)oxazolidin-2-one

2-((1R,2S,3R)-1-((4-methoxybenzyl)oxy)-2,3-dimethylpent-4-en-1-yl)-1,3-dithiane