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

(3aR,4R,6R,6aS)-6-(6-Amino-purin-9-yl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-ol

(3aR,6aR)-5-iodo-2,2,-dimethyl-3a,6a-dihydrocyclopenta[1,3]dioxol-4-one

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