3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(2,2-dimethylpropyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(1,1-dimethylethyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(4-methylpentyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(3-methylbutyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(2-methylpropyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[4-(1-methylethyl)phenyl]furo[2,3-d]pyrimidin-2(3H)-one

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-bromo-7H-pyrazolo[3,4-d]-1,2,3-triazin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-bromo-7H-pyrazolo[3,4-d]-1,2,3-triazin-4-yl]-N,N-dimethylmethanimidamide

N′-[5-Bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrazolo[3,4-d]-1,2,3-triazin-4-yl]-N,N-dimethylmethanimidamide

9-Bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-imidazo[1,2-c]pyrazolo[4,3-e][1,2,3]triazine

1H-Pyrazol-5-amine, 3-bromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-(1H-imidazol-4-yl)-

9-Bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-imidazo[1,2-c]pyrazolo[4,3-e]pyrimidine

5-Amino-3-bromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazole-4-carboxamide

5-Bromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrazolo[3,4-d]-1,2,3-triazin-4-amine

Guanosine, N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)guanylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-...

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)guanylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-N-(2-methyl-1-oxopropyl)-

Guanosine, N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-N-(2-methyl-1-oxopropyl)-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-N-(2-methyl-1-oxopropyl)-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)guanylyl-(3′→5′)-2′-O-(tetrahydro-2-furanyl)...

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)-