(1S,2R)-1-Benzo[1,3]dioxol-5-yl-2-(tert-butyl-diphenyl-silanyloxymethyl)-pent-4-en-1-ol

(4R,5S)-5-Benzo[1,3]dioxol-5-yl-4-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxymethoxy-pentane-1,2-diol