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

(3R,4S)-1,4-Bis-benzo[1,3]dioxol-5-yl-3-(tert-butyl-diphenyl-silanyloxymethyl)-4-methoxymethoxy-butan-1-one

(3R,4S)-1,4-Bis-benzo[1,3]dioxol-5-yl-3-(tert-butyl-diphenyl-silanyloxymethyl)-4-methoxymethoxy-butan-1-ol