1-(3-Bromo-3-deoxy-β-D-xylofuranosyl)-3-nitro-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-iodo-2-O-sulfo-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-6-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2,2-dioxidofuro[3,4-d]-1,3,2-dioxathiol-4-yl]-3-nitro-2,4(1H,3H)-pyrimidinedione

1-(2-Chloro-2-deoxy-β-D-arabinofuranosyl)-3-nitro-2,4(1H,3H)-pyrimidinedione

1-(3-Chloro-3-deoxy-β-D-xylofuranosyl)-3-nitro-2,4(1H,3H)-pyrimidinedione

1-[2-Chloro-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-sulfo-β-D-arabinofuranosyl]-3-nitro-2,4(1H,3H)-pyrimidinedione

1-[3-Chloro-3-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-sulfo-β-D-xylofuranosyl]-3-nitro-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-6-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-oxidofuro[3,4-d]-1,3,2-dioxathiol-4-yl]-3-nitro-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-6-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-oxidofuro[3,4-d]-1,3,2-dioxathiol-4-yl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-O-[2-[2-[bis[2-(dimethylamino)ethyl]amino]ethoxy]ethyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[2-(diethylamino)ethoxy]ethyl]-5-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[[2-(dimethylamino)ethyl]thio]ethyl]-5-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[2-(dimethylamino)ethoxy]ethyl]-5-methyl-, 3′-(hydrogen butanedioate)

Guanosine, 3′-O-phosphorylthymidylyl-(5′→3′)-

3′-Cytidylic acid, inosinylyl-(3′→5′)-