Guanosine, 2′-deoxy-N-[1-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-2-hydroxyethyl]-

Cytidine, 2′-deoxy-N-[(6R,7S)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-4,6,7,9-tetrahydro-7-hydroxy-9-oxo-3H-imidazo[1,2-a]purin-6-yl]-

Cytidine, 2′-deoxy-N-[(6S,7R)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-4,6,7,9-tetrahydro-7-hydroxy-9-oxo-3H-imidazo[1,2-a]purin-6-yl]-

Guanosine, 2′-deoxy-N-[(1S)-1-[[9-(2-deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]amino]-2-hydroxyethyl]-

Guanosine, 2′-deoxy-N-[(1R)-1-[[9-(2-deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]amino]-2-hydroxyethyl]-

Adenosine, 2′-deoxy-N-[(6R,7S)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-4,6,7,9-tetrahydro-7-hydroxy-9-oxo-3H-imidazo[1,2-a]purin-6-yl]-

Adenosine, 2′-deoxy-N-[(6S,7R)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-4,6,7,9-tetrahydro-7-hydroxy-9-oxo-3H-imidazo[1,2-a]purin-6-yl]-

Guanosine, 5-[2-[[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]amino]ethyl]uridylyl-(3′→5′)-

Uridine, 5-[2-[[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]amino]ethyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[18,18,18-trifluoro-17-oxo-3,7,12-tris(trifluoroacetyl)-3,7,12,16-tetraazaoctadec-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[18,18,18-trifluoro-17-oxo-3,7,12-tris(trifluoroacetyl)-3,7,12,16-tetraazaoctadec-1-yl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[18,18,18-trifluoro-17-oxo-3,7,12-tris(trifluoroacetyl)-3,7,12,16-tetraazaoctadec-1-yl]-

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

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

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-

Uridine, 5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-

Uridine, 5-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-

Uridine, 5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-, 2′,3′,5′-tribenzoate

Uridine, 5-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, 2′,3′,5′-tribenzoate