1-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-5-O-[tris(1-methylethyl)silyl]-α-L-talo-hept-6-ynofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[6,7-Dideoxy-2,3-O-(1-methylethylidene)-α-L-talo-hept-6-ynofuranosyl]-2,4(1H,3H)-pyrimidinedione

Guanosine, 2′-deoxy-, 3′,5′-dipentanoate

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-7,8-dihydro-8-oxoguanosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-7,8-dihydro-7-methyl-8-oxoguanosine

Guanosine, 2′,3′,5′-tris(butyl carbonate)

2′-O-[[2-[(4-Methylphenyl)sulfonyl]ethoxy]methyl]uridine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-[(dimethylamino)methylene]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-, 2′-(hydrogen heptanedioate)

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-N-(2-phenoxyacetyl)-, 2′-(hydrogen heptanedioate)

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-, 2′-(hydrogen heptanedioate)

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-, 2′-(hydrogen heptanedioate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-[(dimethylamino)methylene]-2′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-N-(2-phenoxyacetyl)-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

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

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-N-[(dimethylamino)methylene]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]guanosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]-N-(2-phenoxyacetyl)adenosine

N-Acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]cytidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-N-[(dimethylamino)methylene]-2′-O-[[2-[(4-methylphenyl)sulfonyl]ethoxy]methyl]guanosine