Cytidine, 3′-C-(2-amino-2-oxoethyl)-N,N-dimethyl-

Cytidine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-(3-ethoxy-3-oxopropyl)-

Cytidine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-[(1E)-3-ethoxy-3-oxo-1-propenyl]-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-[(1E)-3-ethoxy-3-oxo-1-propenyl]-

Cytidine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-(methoxycarbonyl)-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-(methoxycarbonyl)-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-[2-(phenylseleno)ethyl]-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-[2-[(methylsulfonyl)oxy]ethyl]-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-(2-hydroxyethyl)-

Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-C-(2-methoxy-2-oxoethyl)-

4-Amino-1-[2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-C-(2-ethoxy-2-oxoethyl)-β-D-xylofuranosyl]-2(1H)-pyrimidinone

Cytidine, 3′-C-(3-amino-3-oxopropyl)-

Cytidine, 3′-C-(aminocarbonyl)-

4-Amino-1-[3-C-(2-amino-2-oxoethyl)-β-D-xylofuranosyl]-2(1H)-pyrimidinone

1-[(2R,3R,3aR,7aR)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]hexahydro-3a-hydroxy-5-oxo-2H-furo[2,3-c]pyran-2-yl]dihydro-2,4(1H,3H)-pyrimidinedione

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-phenyl-P-thiothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-phenylthymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

2′-Deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

Thymidine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-