(1S,2R,3R,5R)-3-(Hydroxymethyl)-5-[6-[[(3R)-1-[5-(trifluoromethyl)-2-pyridinyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-1,2-cyclopentanediol

(1R,2S,3R,5R)-3-[6HC:O-[[(3S)-1-(6-Bromo-2-quinolinyl)-3-pyrrolidinyl]amino]-9H-purin-9-yl]-5-(hydroxymethyl)-1,2-cyclopentanediol

(1R,2S,3R,5R)-3-[6-[[(3S)-1-(6-Chloro-3-pyridazinyl)-3-pyrrolidinyl]amino]-9H-purin-9-yl]-5-(methoxymethyl)-1,2-cyclopentanediol

(1S,2R,3R,5R)-3-(Hydroxymethyl)-5-[6-[[(3S)-1-[4-(trifluoromethyl)-2-pyridinyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-1,2-cyclopentanediol

(1S,2R,3R,5R)-3-(Methoxymethyl)-5-[6-[[(3S)-1-[4-(trifluoromethyl)phenyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-1,2-cyclopentanediol

(1S,2R,3S,4R)-N-Ethyl-2,3-dihydroxy-4-[6-[[(1R)-1-methyl-2-(2-thienyl)ethyl]amino]-9H-purin-9-yl]cyclopentanecarboxamide

2(1H)-Pyrimidinone,1-[2,3-bis(benzoyloxy)-4-[(benzoyloxy)methyl]cyclopentyl]-4-chloro-,(1α,2β,3β,4α)-

(1S,2R,3R,5R)-3-[(1-Methylethoxy)methyl]-5-[6-[[(3S)-1-[5-(trifluoromethyl)-2-pyridinyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-1,2-cyclopentanediol

Rel-(1R,2S,3R,4S)-N-Ethyl-2,3-dihydroxy-4-[6-[[2-(3-thienyl)ethyl]amino]-9H-purin-9-yl]cyclopentanecarboxamide

(1S,2R,3R,5R)-3-[(1-Methylethoxy)methyl]-5-[6-[[(3S)-1-[4-(trifluoromethyl)-2-pyridinyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-1,2-cyclopentanediol

(3aR,4R,6R,6aS)-Tetrahydro-2,2-dimethyl-6-[6-[[(3S)-1-[4-(trifluoromethyl)phenyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-4H-cyclopenta-1,3-dioxole-4-methanol

Rel-(1R,2S,3R,4S)-N-Ethyl-2,3-dihydroxy-4-[6-[[2-(4-methyl-5-thiazolyl)ethyl]amino]-9H-purin-9-yl]cyclopentanecarboxamide

5′-O-[(1,1-Dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)-1-[(3aS,4R,6R,6aR)-tetrahydro-6-(hydroxymethyl)-2,2-dimethyl-H-cyclopenta-1,3-dioxol-4-yl]adenosine

Cyclopentanecarboxamide,4-[6-[[2-(5-chloro-2-thienyl)-1-methylethyl]amino]-1-oxido-9H-purin-9-yl]-N-ethyl-2,3-dihydroxy-,[1S-[1α,2β,3β,4α(S*)]]-

1-Carboxymethylpseudouridine

1-Taurinomethylpseudouridine

(1R,2S,3R,5R)-3-[6-[[(3S)-1-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-3-pyrrolidinyl]amino]-9H-purin-9-yl]-5-(methoxymethyl)-1,2-cyclopentanediol

5-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

α-Pseudouridine

1-(1-Propyn-1-yl)-5-β-D-ribofuranosyl-2,4(1H,3H)-pyrimidinedione