Adenosine, 2′-deoxy-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-5′-O-[[2-(4-nitrophenyl)ethoxy]carbonyl]-P-[2-(4-nitrophenyl)ethyl]adenylyl-(3′→5′)-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl carbonate]

Adenosine, 2′-deoxy-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-(4-nitrophenyl)ethyl carbonate]

Guanosine, 2′-deoxy-N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 3′,5′-diacetate

Guanosine, 2′-deoxy-6-O-[2-(4-nitrophenyl)ethyl]-N-(phenoxycarbonyl)-, 3′,5′-diacetate

Methyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-5-[[[(9-β-D-ribofuranosyl-9H-purin-6-yl)amino]carbonyl]amino]benzoate

Methyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-5-[[[[9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-6-yl]amino]carbonyl]amino]benzoate

Adenosine, N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-, 2′,3′,5′-triacetate

Adenosine, N-[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]carbonyl]-

Thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidine

3′-Uridylic acid, 2′-deoxy-3-[2-hydroxy-3-(2-propenyloxy)propyl]-

5′-Guanylic acid, 2′-deoxy-1-[2-hydroxy-3-(2-propenyloxy)propyl]-

5′-Cytidylic acid, 2′-deoxy-3-[2-hydroxy-3-(2-propenyloxy)propyl]-

3′-Cytidylic acid, 2′-deoxy-3-[2-hydroxy-3-(2-propenyloxy)propyl]-

3′-Guanylic acid, 2′-deoxy-1-[2-hydroxy-3-(2-propenyloxy)propyl]-

5′-Guanylic acid, 2′-deoxy-7-[2-hydroxy-3-(2-propenyloxy)propyl]-

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-3′-deoxy-3′-methylthymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-[[(2-cyanoethoxy)phosphinyl]methyl]-3′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-3′-[[ethoxy(1-hydroxy-1-methylethyl)phosphinyl]methyl]-

Thymidine, 3′-deoxy-3′-[[ethoxy(1-hydroxy-1-methylethyl)phosphinyl]methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[ethoxy(1-hydroxy-1-methylethyl)phosphinyl]methyl]-