9-[(1'R,4'S)-4'-hydroxy-2'-cyclopenten-1'-yl]-9-H-N6-benzoyladenine

9-[(1'R,2'S,3'R,4'S)-2',3',4'-trihydroxycyclopentan-1'-yl]-9-H-N6-benzoyladenine

Methanesulfonic acid (3aS,4R,6R,6aS)-6-(6-amino-purin-9-yl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl ester

9-[(1R,2S,3S,4S)-2,3-O-isopropylidene-4-(methanesulfonyloxy)cyclopentan-1-yl]-9H-adenine

(-)-β-(4'β-hydroxy-2'α,3'α-O-isopropylidenedioxycyclopent-1'-yl)-9-H-adenine