(1S,2S,3R,4R)-1-(tert-butyldimethylsilyloxy)-2,3-(isopropylidenedioxy)-4-(nitromethyl)cyclopentane

(1S,2S,3R,4R)-4-(acetoxymethyl)-1-(tert-butyldimethylsilyloxy)-2,3-(isopropylidenedioxy)cyclopentane

[(3aR,4R,6R,6aS)-6-(6-chloro-9H-purin-9-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]methyl acetate

(1S,2S,3R,4S)-4-t-butyldimethylsiloxymethyl-2,3-isopropylidenedioxycyclopentanol

(3aR,4S,6R,6aR)-6-(((tert-butyldimethylsilyl)oxy)methyl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl trifluoromethanesulfonate