Guanosine, thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-5-[(1E)-3-[(2-aminoethyl)amino]-3-oxo-1-propenyl]-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Cytidine, 5′-O-(N-acetyl-β-neuraminosyl)-2′,3′-O-(1-methylethylidene)-

Cytidine, 5′-O-(N-acetyl-4,7,8,9-tetra-O-acetyl-1-methyl-β-neuraminosyl)-N-benzoyl-2′,3′-O-(1-methylethylidene)-

Inosine, 5′-O-(N-acetyl-β-neuraminosyl)-2′,3′-O-(1-methylethylidene)-

Inosine, 5′-O-(N-acetyl-α-neuraminosyl)-2′,3′-O-(1-methylethylidene)-

Inosine, 5′-O-(N-acetyl-4,7,8,9-tetra-O-acetyl-1-methyl-β-neuraminosyl)-2′,3′-O-(1-methylethylidene)-

1-β-D-Ribofuranosyl-1H-imidazo[4,5-b]phenazine

Guanosine, 2′-deoxy-2′-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]uridylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Thymidine, 5′-[2,2-bis(2-nitrophenyl)ethyl carbonate]

Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 5′-[2,2-bis(2-nitrophenyl)ethyl carbonate]

Adenosine, N-benzoyl-2′-deoxy-, 5′-[2,2-bis(2-nitrophenyl)ethyl carbonate]

Thymidine, 5′-[(2-nitrophenyl)methyl carbonate]

Thymidine, 5′-[2-(2-nitrophenyl)propyl carbonate]

Thymidine, 5′-[2-(2-iodo-6-nitrophenyl)ethyl carbonate]

Thymidine, 5′-[bis(2-nitrophenyl)methyl carbonate]

Uridine, cyclic 2′,3′-[(S)-2-cyanoethyl phosphite] 5′-benzoate

Uridine, cyclic 2′,3′-[(R)-2-cyanoethyl phosphite] 5′-benzoate