Adenosine, N-(trimethylsilyl)-2′-O-(trimethylsilyl)-, cyclic 3′,5′-[(R)-trimethylsilyl phosphate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 3′-azido-3′-deoxy-6-fluoro-

5-(Methylthio)-4-β-D-ribofuranosyl-4H-imidazo[4,5-d]isothiazole

3-Methyl-4-β-D-ribofuranosyl-4H-imidazo[4,5-d]isothiazole

5-(Methylthio)-6-β-D-ribofuranosyl-6H-imidazo[4,5-d]isothiazole

3-Methyl-5-[(phenylmethyl)thio]-6-β-D-ribofuranosyl-6H-imidazo[4,5-d]isothiazole

3-Methyl-5-(methylthio)-6-β-D-ribofuranosyl-6H-imidazo[4,5-d]isothiazole

3-Methyl-6-β-D-ribofuranosyl-6H-imidazo[4,5-d]isothiazole

3-Methyl-4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4H-imidazo[4,5-d]isothiazole

3-Methyl-5-[(phenylmethyl)thio]-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6H-imidazo[4,5-d]isothiazole

3-Methyl-5-(methylthio)-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6H-imidazo[4,5-d]isothiazole

3-Methyl-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6H-imidazo[4,5-d]isothiazole

4-β-D-Arabinofuranosyl-5-[(phenylmethyl)thio]-4H-imidazo[4,5-d]isothiazole

4-β-D-Arabinofuranosyl-5-(methylthio)-4H-imidazo[4,5-d]isothiazole

5-[(Phenylmethyl)thio]-4-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-4H-imidazo[4,5-d]isothiazole

5-(Methylthio)-4-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-4H-imidazo[4,5-d]isothiazole

6-β-D-Arabinofuranosyl-5-[(phenylmethyl)thio]-6H-imidazo[4,5-d]isothiazole