2'-Deoxy-N-[(dimethylamino)methylene]-8-[4-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]phenyl]guanosine

4-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-2-[[(dimethylamino)methylene]amino]-6,9-dihydro-6-oxo-1H-purin-8-yl]benzoic acid

2'-Deoxy-N-[(dimethylamino)methylene]-8-(4-methylphenyl)guanosine

2',5'-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3'-O-2-propen-1-yladenosine

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[(1E)-3-[[(1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl]oxy]-1-propen-1-yl]-9H-purin-2-yl]-2-phenoxyacetamide

N-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[(1E)-3-[[(1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl]oxy]-1-propen-1-yl]-9H-purin-2-yl]-2-phenoxyacetamide

N-[9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-[(1E)-3-[[(1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl]oxy]-1-propen-1-yl]-9H-purin-2-yl]-2-phenoxyacetamide

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-(methylamino)-, [2R-(2α,3β,3aβ,9aβ)]-

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 4-amino-2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-, [2R-(2α,3β,3aβ,9aβ)]-

2-[(4-Methoxyphenyl)amino]-1-β-D-ribofuranosyl-4(1H)-pyrimidinone

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-(4-methoxyphenyl)-, [2R-(2α,3β,3aβ,9aβ)]-

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-phenyl-, [2R-(2α,3β,3aβ,9aβ)]-

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-(2-propenyl)-, [2R-(2α,3β,3aβ,9aβ)]-

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-methyl-, [2R-(2α,3β,3aβ,9aβ)]-

6,9-Epoxy-2H,6H-pyrimido[2,1-b][1,3]oxazocin-2-one, 7,8,9,10-tetrahydro-8-hydroxy-7-[[(4-methylphenyl)sulfonyl]oxy]-, [6R-(6α,7α,8α,9α)]-

7-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine

4-(Methylsulfonyl)-7-α-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

4-(Methylsulfonyl)-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

4-(Methylthio)-7-α-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

7-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-4-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine