(2R,3S,10S)-1-((2R,3R,5S)-5-((benzyloxy)methyl)-3-((tert-butyldimethylsilyl)oxy)tetrahydrofuran-2-yl)-10-((tert-butyldimethylsilyl)oxy)-11-((4-methoxybenzyl)oxy)-2-methylundec-8-yne-3,6-diol

(S)-6-(benzyloxy)hex-1-en-3-ol