Guanosine, 2′-deoxy-N-[3-[[[1-methyl-4-[[[1-methyl-4-[[[1-methyl-4-[[(1-methyl-1H-pyrrol-2-yl)carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]propyl]-, 3′,5′-diacetate

Guanosine, 2′-deoxy-N-[3-[[[1-methyl-4-[[[1-methyl-4-[[[1-methyl-4-[[(1-methyl-1H-pyrrol-2-yl)carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]propyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 3′,5′-diacetate

2′-Deoxy-N-[3-[[[1-methyl-4-[[[1-methyl-4-[[[1-methyl-4-[[(1-methyl-1H-pyrrol-2-yl)carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]propyl]guanosine

1-[6-[[[[4-[(3-Cyclopenten-1-ylamino)sulfonyl]phenyl]amino]carbonyl]amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

Adenosine, 5′-[N-[6-[[2-[2-[7-[5-[2-[[6-(5′-adenylylamino)hexyl]amino]-2-oxoethyl]-1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene]-1,3,5-heptadien-1-yl]-1,3,3-trimethyl-3H-indolium-5-yl]acetyl]amino]hexyl]phosphoramidate], inner salt

Adenosine, 5′-[hydrogen N-[6-[[2-[2-[7-[5-(carboxymethyl)-1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene]-1,3,5-heptatrien-1-yl]-1,3,3-trimethyl-3H-indolium-5-yl]acetyl]amino]hexyl]phosphoramidate], inner salt

Adenosine, 5′-[hydrogen N-[6-[[2-[2-[5-[5-(carboxymethyl)-1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1,3,3-trimethyl-3H-indolium-5-yl]acetyl]amino]hexyl]phosphoramidate], inner salt

Adenosine, 5′-[hydrogen N-[6-[[2-[2-[3-[5-(carboxymethyl)-1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene]-1-propen-1-yl]-1,3,3-trimethyl-3H-indolium-5-yl]acetyl]amino]hexyl]phosphoramidate], inner salt

3′,5′-O-[Bis(1,1-dimethylethyl)silylene]-2′-deoxy-2′-(2-hydroxyethyl)cytidine

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-butyl-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-2′-[4-(acetyloxy)butyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-propyl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-2′-[3-(acetyloxy)propyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

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

Cytidine, N-acetyl-2′-[2-(acetyloxy)ethyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

N-Acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-butyl-2′-deoxycytidine

N-Acetyl-2′-[4-(acetyloxy)butyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidine

N-Acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-propylcytidine

N-Acetyl-2′-[3-(acetyloxy)propyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidine

N-Acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-ethylcytidine