2′-Deoxy-3′-O-[[(1S)-1-[4-[3-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]-1-propyn-1-yl]-5-methoxy-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]uridine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[[(1S)-1-[5-methoxy-2-nitro-4-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]phenyl]-2,2-dimethylpropoxy]carbonyl]uridine

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

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

3′-O-[[[7-(Diethylamino)-2-oxo-2H-1-benzopyran-4-yl]methoxy]carbonyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

5′-O-[(1,1-Dimethylethyl)dimethylsilyl]-3′-O-[(2-propen-1-yloxy)carbonyl]thymidine

3′-O-[[[7-(Diethylamino)-2-oxo-2H-1-benzopyran-4-yl]methoxy]carbonyl]thymidine 5′-(tetrahydrogen triphosphate)

3′-O-[[[7-(Diethylamino)-2-oxo-2H-1-benzopyran-4-yl]methoxy]carbonyl]thymidine

3′-O-[(2-Propen-1-yloxy)carbonyl]thymidine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-3′-O-[1-[2-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]ethoxy]ethyl]uridine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[1-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]ethyl]uridine

3′-O-[4-[[(3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]-2-methylenebutyl]thymidine 5′-(tetrahydrogen triphosphate)

3′-O-[1-Azido-3-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]propyl]thymidine 5′-(tetrahydrogen triphosphate)

3′-O-(3-Amino-1-azidopropyl)thymidine 5′-(tetrahydrogen triphosphate)

3′-O-[1-Azido-3-[(2,2,2-trifluoroacetyl)amino]propyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

2′-Deoxy-3′-O-[[3-[2-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]ethyl]-4-oxo-2,5-cyclohexadien-1-ylidene]amino]cytidine 5′-(tetrahydrogen triphosphate)

3′-O-[[3-(2-Aminoethyl)-4-oxo-2,5-cyclohexadien-1-ylidene]amino]-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]cytidine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[[4-oxo-3-[2-[(2,2,2-trifluoroacetyl)amino]ethyl]-2,5-cyclohexadien-1-ylidene]amino]cytidine

3′-O-[3-[4-[3-[[2-[[(3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]ethyl]amino]-3-oxopropyl]-2,5-dimethyl-3,6-dioxo-1,4-cyclohexadien-1-yl]-3-methyl-1-oxobutyl]thymidine 5′-(tetrahydrogen triphosphate)