(2S)-2,3,5,6-Tetrahydro-5-oxo-6-β-D-ribofuranosylimidazo[1,2-c]pyrimidine-2-carbonitrile

2-Ethyl-6-β-D-ribofuranosylimidazo[1,2-c]pyrimidin-5(6H)-one

2-Ethyl-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidin-5(6H)-one

2-(Trifluoromethyl)-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidin-5(6H)-one

2-(Aminomethyl)-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidin-5(6H)-one

2-(Aminomethyl)-6-[2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidin-5(6H)-one

5,6-Dihydro-5-oxo-6-β-D-ribofuranosylimidazo[1,2-c]pyrimidine-2-carbonitrile

5,6-Dihydro-5-oxo-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidine-2-carbonitrile

(2R)-2,3,5,6-Tetrahydro-5-oxo-6-β-D-ribofuranosylimidazo[1,2-c]pyrimidine-2-carbonitrile

2,3,5,6-Tetrahydro-5-oxo-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidine-2-carbonitrile

2-Methyl-6-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[1,2-c]pyrimidin-5(6H)-one

Cytidine, N-acetyl-2′,3′,5′-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 5′-(cyclohexylcarbamate)

Adenosine, 2′-deoxyadenylyl-(3′→5′)-2′,3′-didehydro-2′,3′-dideoxy-

Cytidine, 2′-deoxyadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Cytidine, 2′-deoxyadenylyl-(3′→5′)-2′,3′-didehydro-2′,3′-dideoxy-

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-7-nitro-1H-imidazo[4,5-c]pyridin-4-amine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-7-nitro-4-(2,4,6-trimethylphenoxy)-1H-imidazo[4,5-c]pyridine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-7-nitro-4-(2,4,6-trimethylphenoxy)-1H-imidazo[4,5-c]pyridine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-7-nitro-4-(2,4,6-trimethylphenoxy)-1H-imidazo[4,5-c]pyridine