(1'S,2'R,3'S,4'R)-2',3'-(isopropylidenedioxy)-4'-methyl-4'-(6-chloro-9H-purin-9-yl)-2'-cyclopenten-1-yl benzoate

(1S,4R)-4-((tert-butyldimethylsilyl)oxy)cyclopent-2-enol

(1'R,4'R)-1'-methyl-1'-(6-chloro-9H-purin-9-yl)-2'-cyclopenten-4'-ol

(1'S,4'R)-4'-methyl-4'-(6-chloro-9H-purin-9-yl)-2'-cyclopenten-1-yl benzoate

(1'R,4'R)-4'-[(tert-butyldimethylsilyl)oxy]-1'-methyl-1'-(6-chloro-9H-purin-9-yl)-2'-cyclopentene