6-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-4,6-dihydro-1H-pyrimido[4,5-c][1,2]oxazin-7(3H)-one

6-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-4,6-dihydro-1H-pyrimido[4,5-c][1,2]oxazin-7(3H)-one

Xanthylium, 9-[5-[[[3-[6-amino-1-[2-deoxy-3-O-(hydroxymethylphosphinyl)-5-O-methyl-β-D-erythro-pentofuranosyl]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(dimethylamino)-, inner salt

6-Amino-3-(3-aminopropyl)-1-[2-deoxy-3-O-(hydroxymethylphosphinyl)-5-O-methyl-β-D-erythro-pentofuranosyl]-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

Xanthylium, 9-[5-[[[3-[4-amino-1-[2-deoxy-3-O-(hydroxymethylphosphinyl)-5-O-methyl-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(dimethylamino)-, inner salt

4-Amino-1-[2-deoxy-3-O-(hydroxymethylphosphinyl)-5-O-methyl-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidine-3-propanamine

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

1H-Benz[e]indolium, 3-[20-[2-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-11,11-dimethyl-6,16-dioxo-10,12,15-trioxa-7,17-diazaeicos-19-yn-1-yl]-2-[5-(1,3-dihydro-1,1,3-trimethyl-2H-benz[e..

3H-Indolium, 1-[20-[4-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,7-dihydro-2-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl]-11,11-dimethyl-6,16-dioxo-10,12,15-trioxa-7,17-diazaeicos-19-yn-1-yl]-2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylide..

Thymidine, 2′-deoxyadenylyloxy[2-[[(3-carboxypropyl)amino]carbonyl]-2-methyl-1,3-propanediyl]oxyphosphinico-(3′→5′)-

3′-Adenylic acid, 2′-deoxy-, mono[3-[[4-[(2-aminoethyl)amino]-4-oxobutyl]amino]-2-(hydroxymethyl)-2-methyl-3-oxopropyl] ester

3′-Adenylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[4-(1,1-dimethylethyl)phenoxy]acetyl]-, mono[2-(hydroxymethyl)-2-methyl-3-oxo-3-[[4-oxo-4-(phenylmethoxy)butyl]amino]propyl] ester

Guanosine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-

3′-Deoxy-3′-(difluoromethylene)thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-3′-(difluoromethylene)thymidine

1-[2-Deoxy-3-C-(difluoromethyl)-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-C-(difluoromethyl)-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-C-[difluoro(phenylsulfonyl)methyl]-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Cytidine, 2′-deoxy-5-fluorouridylyl-(3′→5′)-2′-deoxy-5-fluoro-N-octadecyl-