2′-Chloro-4′-C-(chloromethyl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridine

2′-Chloro-2′-deoxy-4′-C-(hydroxymethyl)-3-[(4-methoxyphenyl)methyl]-3′,5′-bis-O-(phenylmethyl)uridine

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

2′-Chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(hydroxymethyl)uridine

4′-C-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2′-chloro-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridine

2′-Chloro-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(hydroxymethyl)uridine

2′-Chloro-2′-deoxy-4′-C-[(methylthio)methyl]uridine

2′-Chloro-2′-deoxy-4′-C-[(methylthio)methyl]cytidine

2′-Chloro-2′-deoxy-4′-C-[(1R)-1-fluoroethyl]uridine

2′-Chloro-2′-deoxy-4′-C-[(1R)-1-fluoroethyl]cytidine

2′-Chloro-4′-C-cyclopropyl-2′-deoxycytidine

2′-Chloro-4′-C-(chloromethyl)-2′-deoxy-5-fluorocytidine

2′-Chloro-2′-deoxy-4′-C-propyluridine

2′-Chloro-2′-deoxy-4′-C-propylcytidine

2′-Chloro-2′-deoxy-4′-C-ethyluridine

2′-Chloro-2′-deoxy-4′-C-ethylcytidine

2′-Chloro-4′-C-(chloromethyl)-2′-deoxycytidine

Thymidine, 5′-O-[hydroxy[[6-[[(3S)-1-oxo-3-[[(2S)-1-oxo-2-[[(phenylmethoxy)carbonyl]amino]propyl]amino]butyl]amino]hexyl]oxy]phosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

5′-Thymidylic acid, thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-, 5′-[6-[[(3S)-1-oxo-3-[[(2S)-1-oxo-2-[[(phenylmethoxy)carbonyl]amino]propyl]amino]butyl]amino]hexyl] ester

Thymidine, 5′-O-[hydroxy[[6-[[(3S)-1-oxo-3-[[(phenylmethoxy)carbonyl]amino]butyl]amino]hexyl]oxy]phosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-