Uridine, 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-5-iodo-

Uridine, 5-bromo-2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-

Uridine, 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-5-fluoro-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-, (2′S)-

Uridine, 2′,3′-dideoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-[2-ethoxy-1-(ethoxycarbonyl)-2-oxoethyl]-

Uridine, 2′,3′-bis-O-(trimethylsilyl)-, 5′-acetate

Adenosine, N-[(1S,2S)-2-(acetyloxy)-3-cyclopenten-1-yl]-, 2′,3′,5′-triacetate

Adenosine, N-[(1S,2S)-2-hydroxy-3-cyclopenten-1-yl]-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-[(1E)-3-oxo-1-propenyl]guanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]pyrimido[1,2-a]purin-10(3H)-one

3′-Amino-3′-deoxy-N,N-dimethyl-5′-adenylic acid

Thymidine, 5′-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

5′-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]thymidylyl-(3′→5′)-thymidine

Uridine, uridylyl-(2′-3′→5′)-2′,3′-O-isopropylidene-, 5′-acetate