Cytidine, 5′-azido-5′-deoxy-5-methyl-2′-O,4′-C-methylenecytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

Cytidine, 5′-azido-5′-deoxy-5-methyl-2′-O,4′-C-methyleneuridylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

Cytidine, 5′-azido-2′,5′-dideoxy-5-methylcytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

Cytidine, 5′-azido-5′-deoxythymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

Cytidine, 5′-azido-5′-deoxy-5-methyl-2′-O,4′-C-methylenecytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-azido-5′-deoxythymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-azido-2′,5′-dideoxy-5-methylcytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-azido-2′,5′-dideoxy-5-methylcytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 5-methyl-2′-O,4′-C-methyleneuridylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 5-methyl-2′-O,4′-C-methylenecytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-5-methyl-2′-O,4′-C-methylene-3′-O-2-propyn-1-yl-

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-5-methyl-3′-O-2-propyn-1-yl-

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-methyl-2′-O-4′-C-methylene-3′-O-2-propyn-1-ycytidine

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyl-2′-O,4′-C-methylene-3′-O-2-propyn-1-yl-

Guanosine, 8-bromo-, cyclic 3′,5′-[(7-methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl (S)-phosphate]

Guanosine, cyclic 3′,5′-[(7-methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl (S)-phosphate]