Uridine, 5′-amino-5′-deoxy-5-methyl-3-[(phenylmethoxy)methyl]-2′-O-[2-[(trifluoroacetyl)amino]ethyl]-

Uridine, 5′-azido-5′-deoxy-5-methyl-3-[(phenylmethoxy)methyl]-2′-O-[2-[(trifluoroacetyl)amino]ethyl]-

Uridine, 5′-deoxy-5′-iodo-5-methyl-3-[(phenylmethoxy)methyl]-2′-O-[2-[(trifluoroacetyl)amino]ethyl]-

Uridine, 5-methyl-3-[(phenylmethoxy)methyl]-2′-O-[2-[(trifluoroacetyl)amino]ethyl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-(dimethylamino)ethyl]-N-[[4-(1,1-dimethylethyl)phenoxy]acetyl]-2-[[[4-(1,1-dimethylethyl)phenoxy]acetyl]amino]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, 2′-O-[2-(dimethylamino)ethyl]-N-[[4-(1,1-dimethylethyl)phenoxy]acetyl]-2-[[[4-(1,1-dimethylethyl)phenoxy]acetyl]amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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

2′-O-[2-(Dimethylamino)ethyl]guanosine

Adenosine, 2-amino-2′-O-[2-(dimethylamino)ethyl]-

Adenosine, 2-amino-2′-O-[2-(dimethylamino)ethyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

5-Methyl-2′-O-[(2S)-2-pyrrolidinylmethyl]uridine

3′,5′-Bis-O-[(2,4-dichlorophenyl)methyl]-5-methyl-2′-O-[[(2S)-1-[(phenylmethoxy)carbonyl]-2-pyrrolidinyl]methyl]-3-[(phenylmethoxy)methyl]uridine

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

Uridine, 2′-O-[2-[[2-(dimethylamino)ethyl]amino]ethyl]-5-methyl-3-[(phenylmethoxy)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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

Uridine, 5-methyl-2′-O-[2-(4-methyl-1-piperazinyl)ethyl]-3-[(phenylmethoxy)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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

Adenosine, 2′-O-(2-hydroxyethyl)-N-(1-methyl-2-pyrrolidinylidene)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Adenosine, 2′-O-(2-hydroxyethyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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