(1'S,4'S)-9-[4-(tert-butoxymethyl)cyclopent-2-enyl]adenine

(1R,cis)-4-(6-Chloro-9H-purin-9-yl)-2-cyclopentene-1-methanol

9-((1S,4R)-4-((benzyloxy)methyl)cyclopent-2-en-1-yl)-9H-purin-6-amine

(4S,5R)-3-((S)-2-((benzyloxy)methyl)-4-oxocyclopent-2-en-1-yl)-4,5-diphenyloxazolidin-2-one

(4S,5R)-3-((1S,2S)-2-Benzyloxymethyl-2-ethoxy-4-oxo-cyclopentyl)-4,5-diphenyl-oxazolidin-2-one