(1'R,2'R,3'S,4'R)-4'-(6-aminopurin-9-yl)-1'-hydroxymethyl-2',3'-O-isopropylidenecyclopentane-2',3'-diol

9-((1'R,2'S,3'R,4'R)-4-(tert-butoxymethyl)-2,3-(cyclohexylidenedioxy)cyclopentan-1-yl)adenine

((1R,2R,3S,4R)-4-(6-benzamido-9H-purin-9-yl)-2,3-dihydroxycyclopentyl)methyl acetate

(1α,4α)-4-(6-Amino-9H-purin-9-yl)-2-cyclopentenylcarbinol

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