9-<(1R,2S,3R)-4-t-butyldimethylsiloxymethyl-2,3-isopropylidenedioxycyclopentan-1-yl>adenine

(3aS,4R,6R,6aR)-6-Hydroxymethyl-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxole-4-carboxylic acid

1,4-diacetoxymethyl-2,3-isopropylidenedioxycyclopentane-1-methanol