2-((2R,3S,4S,6R)-4-hydroxy-2-methoxy-3-methyl-4-((trimethylsilyl)methyl)-6-vinyltetrahydro-2H-pyran-2-yl)acetic acid

(3R,4R,7S,E)-7-((tert-butyldimethylsilyl)oxy)-2-hydroxy-2,3-dimethyldeca-5,9-dien-4-yl 2-((2R,3S,4S,6R)-4-hydroxy-2-methoxy-3-methyl-4-((trimethylsilyl)methyl)-6-vinyltetrahydro-2H-pyran-2-yl)acetate