2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]guanosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]cytidine

1H-Imidazole-4-carboxamide, 5-amino-1-[5-O-(1,3-dihydroxy-7,7-dimethyl-1,3-dioxido-2,4-dioxa-7-azonia-1,3-diphosphaoct-1-yl)-β-D-ribofuranosyl]-, inner salt

N-(Phenylmethyl)-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-purin-6-amine

Adenosine, N-(phenylmethyl)-, 2′,3′,5′-tribenzoate

N-(Phenylmethyl)-7-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-7H-purin-6-amine

Adenosine, N-(phenylmethyl)-, 2′,3′,5′-triacetate

Adenosine, 2-(methylthio)-, 2′,3′,5′-tribenzoate

Adenosine, N-benzoyl-2-(methylthio)-, 2′,3′,5′-tribenzoate

Adenosine, 5′-(hydrogen 2,3-dibromobutanedioate)

Thymidine, P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-acetate

Thymidine, P-phenylthymidylyl-(3′→5′)-P-phenylthymidylyl-(3′→5′)-P-phenylthymidylyl-(3′→5′)-P-phenylthymidylyl-(3′→5′)-P-phenylthymidylyl-(3′→5′)-, 3′-acetate

Thymidine, P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-acetate

Thymidine, P-phenylthymidylyl-(3′→5′)-P-phenylthymidylyl-(3′→5′)-, 3′-acetate

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-phenylthymidylyl-(3′→5′)-, monophenyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, monophenyl ester

3′-Thymidylic acid, 2-cyanoethyl phenyl ester

Guanosine, 8-bromo-, 2′,5′-dimethanesulfonate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)thymidylyl-(3′→5′)-, 3′-[2-(2-nitrophenyl)propyl carbonate]