(S)-2-((tert-butyldiphenylsilyl)oxy)-1-((2S,3S,6R)-3-methoxy-6-(((3R,4S)-1-((4-methoxybenzyl)oxy)-4-methylhex-5-en-3-yl)oxy)-6-vinyltetrahydro-2H-pyran-2-yl)ethyl pivalate

(S)-2-((tert-butyldiphenylsilyl)oxy)-1-((2S,3S)-3-methoxy-6-vinyl-3,4-dihydro-2H-pyran-2-yl)ethyl pivalate