4-azido-2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxole

(1S,2R,3R)-2,3-(isopropylidenedioxy)-4-(trityloxymethyl)-4-cyclopenten-1-yl methanesulfonate

1-(2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl)-1H-imidazole-4-carboxylic acid amide

1-(2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl)-1H-1,2,3-triazole-4-carboxylic acid methyl ester

1-(2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl)-1H-imidazole-4-carboxylic acid methyl ester