2′-O-(3-Aminopropyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]uridine

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-[2-(methylamino)-2-oxoethyl]-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-[2-[2-(dimethylamino)ethoxy]ethyl]-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-[3-(dimethylamino)propyl]-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-[2-(dimethylamino)ethyl]-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-(2-methoxyethyl)-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-6-(dimethoxyphosphinyl)-2-O-methyl-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-[[Bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2,5,6-trideoxy-6-(dimethoxyphosphinyl)-β-D-erythro-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-Benzoyl-2,5,6-trideoxy-6-(dimethoxyphosphinyl)-β-D-erythro-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

6-Methoxy-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-N-(trimethylsilyl)-9H-purin-2-amine

N-[1,6-Dihydro-6-oxo-1-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-4-pyrimidinyl]acetamide

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[hydroxy[2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9-[5-O-[Hydroxy[2-(octadecyloxy)ethoxy]phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

1-[2-Deoxy-5-O-[hydroxy[2-(octadecyloxy)ethoxy]phosphinyl]-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[[3-(Hexadecyloxy)propoxy]hydroxyphosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

3-(Hexadecyloxy)propyl hydrogen 2′,3′-dideoxy-5′-inosinate

2-Chloro-9-[2-deoxy-2-fluoro-5-O-[[3-(hexadecyloxy)propoxy]hydroxyphosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine