1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-ethynyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-ethynyl-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-ethynyl-β-D-arabinofuranosyl]-9H-purin-6-yl]-2-phenoxyacetamide

N-[9-(2-Deoxy-2-ethynyl-β-D-arabinofuranosyl)-9H-purin-6-yl]-2-phenoxyacetamide

Acetamide, N-[9-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-[(trimethylsilyl)ethynyl]-β-D-arabinofuranosyl]-9H-purin-6-yl]-2-phenoxy-

9H-Purin-6-amine, 9-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-[(trimethylsilyl)ethynyl]-β-D-arabinofuranosyl]-

Benzamide, N-[9-[(2ξ)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-C-[(trimethylsilyl)ethynyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-[[5,5′′:6,6′′-dicyclo]-(5R,6R)-5,6-dihydrothymidylyl-(3′→5′)-(5S,6S)-5,6-dihydrothymidylyl]-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-[[6,4′′-cyclo]-(5R)-5,6-dihydro-5-hydroxythymidylyl-(3′→5′)-4-deoxythymidylyl]-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

2′-Deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanosine

4-[9-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-N-2-pyridinyl-1-piperazineacetamide

N-[2-Fluoro-5-(trifluoromethyl)phenyl]-4-[9-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-1-piperazineacetamide

4-[9-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-N-[4-(trifluoromethyl)phenyl]-1-piperazineacetamide

4-[9-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-N-(4-methylphenyl)-1-piperazineacetamide

4-[9-[2,3-O-(1-Methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-N-(2-methylphenyl)-1-piperazineacetamide

N-(4-Chlorophenyl)-4-[9-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-1-piperazineacetamide

N-(2-Chlorophenyl)-4-[9-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-9H-purin-6-yl]-1-piperazineacetamide

7-(5-O-Phosphono-α-D-ribofuranosyl)-7H-purin-6-amine

1′-C-Cyano-2′-deoxy-2′,2′-difluorocytidine

β-D-Allofuranuronic acid, 5-[[5-O-(aminocarbonyl)-2-deoxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3,4-O-(1-methylethylidene)-L-xylonoyl]amino]-1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-