(3R,4S,5R)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-6-(tert-butyl-diphenyl-silanyloxy)-4-(3,4-dimethoxy-benzyloxy)-5-methyl-hexane-1,2-diol

(R)-tert-butyl((4,4-dibromo-2-methylbut-3-en-1-yl)oxy)diphenylsilane