5-Amino-3-[(1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

Cyclopenta[f]-1,3,5,2,4-trioxadisilocin-9-ol,8-(6-amino-9H-purin-9-yl)hexahydro-2,2,4,4-tetrakis(1-methylethyl)-,[6aR-(6aα,8β,9α,9aβ)]-

1-[(1R,3S,4R)-3-Hydroxy-4-[[(8-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)oxy]methyl]cyclopentyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Rel-(1R,2S,3R,4S)-4-[6-[[2-(2-Benzothiazolylamino)ethyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-dihydroxycyclopentanecarboxamide

(1S,2R,3S,4R)-4-[6-[[(1R)-2-(3-Chloro-2-thienyl)-1-methylethyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-dihydroxycyclopentanecarboxamide

2,4(1H,3H)-Pyrimidinedione,1-[3-(hydroxymethyl)cyclopentyl]-,cis-

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

2,4(1H,3H)-Pyrimidinedione,1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]-,(1α,3α,4β)-

Rel-1-[(1R,2S,4S)-2-Hydroxy-4-(hydroxymethyl)cyclopentyl]-2,4(1H,3H)-pyrimidinedione

(1R,3S)-3-(2-Amino-9H-purin-9-yl)cyclopentanemethanol

Rel-4-Amino-1-[(1R,3S,4R)-3-hydroxy-4-(hydroxymethyl)cyclopentyl]-2(1H)-pyrimidinone

Rel-1-[(1R,3S)-3-(Hydroxymethyl)cyclopentyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1S,3R,4S)-3-Hydroxy-4-(hydroxymethyl)cyclopentyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Rel-1-[(1R,2S,4S)-2-Hydroxy-4-(hydroxymethyl)cyclopentyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

((1S,3R)-3-(6-amino-9H-purin-9-yl)cyclopentyl)methanol

2,4(1H,3H)-Pyrimidinedione,1-[3-fluoro-4-(hydroxymethyl)cyclopentyl]-5-methyl-,(1α,3β,4α)-

1H-Imidazole-4-carboxamide,5-amino-1-[3-hydroxy-4-(hydroxymethyl)cyclopentyl]-,[1R-(1α,3β,4α)]-

1,9-Dihydro-9-[(1R,3S,4R)-3-hydroxy-4-(hydroxymethyl)cyclopentyl]-6H-purin-6-one

1,2-Cyclopentanediol,3-(4-amino-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)-,[1R-(1α,2α,3β,5β)]-

Rel-(1R,2S,3R,5R)-3-(4-Chloro-1H-imidazo[4,5-c]pyridin-1-yl)-5-(hydroxymethyl)-1,2-cyclopentanediol