(3aR,4R,6R,6aR)-2,2-dimethyl-6-(trityloxymethyl)-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-ol

(3aS,4S,6aR)-6-hydroxymethyl-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-ol

5-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-D-ribofuranose

4-[1-((tert-butyldimethylsilanyl)oxyl)allyl]-5-[1-(((tert-butyldiphenylsilanyl)oxy)methyl)vinyl]-2,2-dimethyl-[1,3]dioxolane

1-[5-(1-(hydroxymethyl)vinyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]prop-2-en-1-ol