Uridine, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Adenosine, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Uridine, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

N-Benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

3′-O-[(1,1-Dimethylethyl)dimethylsilyl]uridine

Adenosine, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

Adenosine, 2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

3′-O-[(1,1-Dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenosine

2′-O-[(1,1-Dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenosine

3′,5′-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

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

Uridine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

Adenosine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

3′-Adenylic acid, 2′-O-acetyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]uridylyl-(3′→5′)-, 3′-(2-cyanoethyl) 3′-(2,2,2-trichloroethyl) ester, 2′-acetate

Uridine, 5′-amino-5′-deoxyuridylyl-(3′→5′)-

Uridine, 5′-deoxy-5′-[(diphenoxyphosphinyl)amino]-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Adenosine, N-(4-methoxybenzoyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-(4-oxopentanoate)

Adenosine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Adenosine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(3′→5′)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)...

3′-Adenylic acid, 2′-O-acetyl-N-(2-methyl-1-oxopropyl)cytidylyl-(3′→5′)-N-benzoyl-, 3′-(2-cyanoethyl) 3′-(2,2,2-trichloroethyl) ester, 2′-acetate