6-aminopurine

(1S)-cis-4-Benzyloxymethylcyclopent-2-en-1-ol

(1S,4R)-4-((benzyloxy)methyl)cyclopent-2-en-1-yl ethyl carbonate

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

(1R,cis)-4-[(5-Amino-6-chloro-4-pyrimidinyl)amino]-2-cyclopentene-1-methanol