(1S,6R)-2-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4,6-dimethyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

(1R,6S)-2-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4,6-dimethyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

(5S,6S)-5-Bromo-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-6-hydroxy-3-methylthymidine

(5R,6R)-5-Bromo-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-6-hydroxy-3-methylthymidine

3′,5′-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-methylthymidine

5′,5′′′-[(1,16-Dioxo-1,16-hexadecanediyl)bis(iminomethylene-1H-1,2,3-triazole-4,1-diyl)]bis[5′-deoxy-3-[(1-β-D-glucopyranosyl-1H-1,2,3-triazol-4-yl)methyl]thymidine]

5′,5′′′-[(1,16-Dioxo-1,16-hexadecanediyl)bis(iminomethylene-1H-1,2,3-triazole-4,1-diyl)]bis[5′-deoxy-3-[[1-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-1H-1,2,3-triazol-4-yl]methyl]thymidine]

Uridine, 2′-[(2′Z)-carboxymethylene]-2′-deoxy-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-[(2′Z)-2-methoxy-2-oxoethylidene]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-[(2′Z)-2-methoxy-2-oxoethylidene]-

Uridine, 2′-deoxy-2′-[(2′Z)-2-methoxy-2-oxoethylidene]-

Uridine, 2′-deoxy-2′-[(2′Z)-2-methoxy-2-oxoethylidene]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-oxo-

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidine

4-Amino-1-[5-O-[[[(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl]oxy]hydroxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazin-2(1H)-one

4-Amino-1-[5-O-[[[(2R)-3,4-dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl]oxy]hydroxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazin-2(1H)-one

4-Amino-1-[5-O-[[[(2R)-3,4-dihydro-2,7,8-trimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrien-1-yl]-2H-1-benzopyran-6-yl]oxy]hydroxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazin-2(1H)-one

(2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl hydrogen 2′-deoxy-2′,2′-difluoro-5′-cytidylate

(2R)-3,4-Dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl hydrogen 2′-deoxy-2′,2′-difluoro-5′-cytidylate

(2R)-3,4-Dihydro-2,7,8-trimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrien-1-yl]-2H-1-benzopyran-6-yl hydrogen 2′-deoxy-2′,2′-difluoro-5′-cytidylate