(2R,4R,8R)-2-(t-butyldiphenylsiloxy)-8,9-(isopropylidenedioxy)-6,6-(trimethylenedithio)nonan-4-ol

(2S,4S,6R)-6-(tert-Butyl-diphenyl-silanyloxy)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-heptane-2,4-diol