(2R,3R,5S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-2-((R)-2-methyl-3-triethylsilanyloxy-propyl)-3-triethylsilanyloxy-tetrahydro-furan

(2Z)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-en-1-ol