Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[(methylthio)methyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[(methylthio)methyl]-

2′-O-[(Methylthio)methyl]-N-(2-phenoxyacetyl)adenosine

Cytidine, N-(2-methyl-1-oxopropyl)-2′-O-[(methylthio)methyl]-

Cytidine, N-acetyl-2′-O-[(methylthio)methyl]-

2′-O-[(Methylthio)methyl]uridine

2′-O-[(Methylthio)methyl]-N-(2-phenoxyacetyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

Cytidine, N-(2-methyl-1-oxopropyl)-2′-O-[(methylthio)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

N-Acetyl-2′-O-[(methylthio)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]cytidine

Adenosine 5′-(trihydrogen diphosphate), N-[6-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]hexyl]-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium, inner salt

Uridine, 3-benzoyl-5′-chloro-5′-deoxy-, 2′,3′-dibenzoate

Cytidine, 5′-chloro-5′-deoxy-N-[(dimethylamino)methylene]-3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-, 2′-benzoate

Cytidine, N-[(dimethylamino)methylene]-, 2′,3′,5′-tribenzoate

Guanosine, 5′-chloro-5′-deoxy-N-[(dibutylamino)methylene]-3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-, 2′-benzoate

Adenosine, N-[(dimethylamino)methylene]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 2′,3′-diacetate

Uridine, 3-benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2′,3′-dibenzoate

Cytidine, N-benzoyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-benzoate

Guanosine, N-[(dibutylamino)methylene]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-benzoate

Adenosine, N-benzoyl-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 2′,3′-diacetate

Thymidine, 2′-deoxy-N-[6-[[1,10-dioxo-10-[[2-(1H-pyrrol-1-yl)ethyl]amino]decyl]amino]hexyl]cytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-N-(6-aminohexyl)-2′-deoxycytidylyl-(3′→5′)-