Butanoic acid, 3-oxo-, [3-(1,3-dioxobutoxy)-2,3,3a,9a-tetrahydro-6-methyl-8-oxo-8H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3α,3aα,9aα)]-

Butanoic acid, 3-oxo-, [3-(1,3-dioxobutoxy)-2,3,3a,9a-tetrahydro-6-methyl-8-oxo-8H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl ester, [2R-(2α,3β,3aα,9aα)]-

Adenosine, 1,2-diamino-

3-Amino-4,7-dihydro-4-imino-7-β-D-ribofuranosyl-3H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

6-(1-Aziridinyl)-9-(5-O-phosphono-β-D-ribofuranosyl)-9H-purine

1-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-1,2,4-triazolo[4,3-a]pyrimidine-5(1H)-thione

3-β-D-Ribofuranosyl[1,2,4]triazolo[1,5-a]pyrimidine-7(3H)-thione

3-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)[1,2,4]triazolo[1,5-a]pyrimidine-7(3H)-thione

4-β-D-Ribofuranosyl[1,2,4]triazolo[1,5-a]pyrimidine-7(4H)-thione

4-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)[1,2,4]triazolo[1,5-a]pyrimidine-7(4H)-thione

2H-Purin-2-one, 6-amino-3-β-D-arabinofuranosyl-3,7-dihydro-

1,5-Dihydro-6-methyl-1-β-D-xylofuranosyl-4H-imidazo[4,5-c]pyridin-4-one

2H-Purin-6-amine, 3-β-D-arabinofuranosyl-3,7-dihydro-2-imino-

5′-C-Hydroxyadenosine

N-[9-(2-C-Acetyl-β-D-arabinofuranosyl)-9H-purin-6-yl]-N-benzoylbenzamide

N-Benzoyl-N-[9-[3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2-C-(1-methoxyethenyl)-β-D-arabinofuranosyl]-9H-purin-6-yl]benzamide

N,N-Dibenzoyl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-oxoadenosine

Adenosine, N,N-dibenzoyl-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

7,10-Epoxy-5H-azepino[1,2-e]purin-5-yl, 4-amino-5a,6,7,8,9,10-hexahydro-6,8,9-trihydroxy-, (7R,8S,9R,10R)-

(3aR,5R,6R,6aR)-Tetrahydro-6-(phenylmethoxy)-5-[(phenylmethoxy)methyl]-3-(phenylmethyl)furo[2,3-d]oxazole-2(3H)-thione