Cytidine, P(S)-(4-chlorophenyl)-P-thiothymidylyl-(3′→5′)-P(S)-(4-chlorophenyl)-2′-deoxy-6-O-(2,5-dichlorophenyl)-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-N-benzoyl-P(S)-(4-chlorophenyl)-2′-deoxy-P-thioadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(4-oxopentanoate)

Uridine, 3′-deoxy-5-methyl-, 5′-(4-methylbenzenesulfonate)

(1R,6S)-2-(3-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

(1R,6S)-2-(5-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

(1S,6R)-2-(3-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

(1S,6R)-2-(5-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-7-oxa-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

Adenosine, P(S)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-P(S)-(2-cyanoethyl)-2′-deoxy-6-O-(2,5-dichlorophenyl)-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(4-oxopentanoate)

Adenosine, P(S)-(2-cyanoethyl)-2′-deoxy-6-O-(2,5-dichlorophenyl)-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(4-oxopentanoate)

Cytidine, P(S)-(4-chlorophenyl)-2′-deoxy-6-O-(2,5-dichlorophenyl)-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-N-benzoyl-P(S)-(4-chlorophenyl)-2′-deoxy-P-thioadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(4-oxopentanoate)

Uridine, 4′-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, 2′,3′,5′-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-ethynyl-

Uridine, 2′,3′,5′-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-[(hydroxyimino)methyl]-

2′,3′,5′-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-formyluridine

Cytidine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-methyl-

Cytidine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-methyl-

Cytidine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-(iodomethyl)-

Cytidine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-[(hydroxyimino)methyl]-

Cytidine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-ethynyl-

Cytidine, N-benzoyl-4′-C-[(1Z)-2-chloroethenyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Cytidine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-4′-C-formyl-