Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[phenyl[(trihexylsilyl)oxy]methyl]thymidylyl-(3′→5′)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-thiothymidylyl-(3′→5′)-P-deoxy-P-thiothymidylyl-(3′→5′)-P-deoxy-P-thiothymidylyl-(3′→5′)-

N-[9-(3-O-Acetyl-5-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[7-(3-O-Acetyl-5-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-6,7-dihydro-6-oxo-1H-purin-2-yl]acetamide

9-(3-O-Acetyl-5-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-9H-purin-6-amine

1-(3-O-Acetyl-5-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-4-amino-2(1H)-pyrimidinone

1-(3-O-Acetyl-5-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

N-[9-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[7-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-6,7-dihydro-6-oxo-1H-purin-2-yl]acetamide

9-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-9H-purin-6-amine

1-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-4-amino-2(1H)-pyrimidinone

1-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-5-bromo-2,4(1H,3H)-pyrimidinedione

1-(3-O-Acetyl-2,5-di-O-benzoyl-α-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

Guanosine, 2′-deoxy-3′,5′-bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, 2′-deoxy-3′,5′-bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Cytidine, 2′-deoxy-3′,5′-bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 5′-(hydrogen butanedioate)

Adenosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 5′-(hydrogen butanedioate)

Cytidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 5′-(hydrogen butanedioate)