β-D-Allofuranuronic acid, 5-[[5-O-(aminocarbonyl)-2-deoxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3,4-O-(1-methylethylidene)-D-xylonoyl]amino]-1-(5-carboxy-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,5-dideoxy-

β-D-Allofuranuronic acid, 5-[[5-O-(aminocarbonyl)-2-deoxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3,4-O-(1-methylethylidene)-D-xylonoyl]amino]-1,5-dideoxy-1-[3,4-dihydro-5-(hydroxymethyl)-2,4-dioxo-1(2H)-pyrimidinyl]-

β-D-Allofuranuronic acid, 1,5-dideoxy-1-[5-(ethoxycarbonyl)-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-5-[[(phenylmethoxy)carbonyl]amino]-, methyl ester, 2,3-diacetate

β-D-Allofuranuronic acid, 1,5-dideoxy-1-[3,4-dihydro-5-(hydroxymethyl)-2,4-dioxo-1(2H)-pyrimidinyl]-5-[[(phenylmethoxy)carbonyl]amino]-, methyl ester, 2,3-diacetate

β-D-Allofuranuronic acid, 5-azido-1,5-dideoxy-1-[5-(ethoxycarbonyl)-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-, methyl ester, 2,3-diacetate

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-2′-deoxy-P-thioadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-thiothymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[1-(cyanomethyl)-2,2-dimethylpropyl]thymidylyl-(3′→5′)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-dimethylpropyl (1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxo-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxo-2′-deoxyadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxothymidylyl-(3′→5′)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxo-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-deoxothymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-deoxo-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[1-(cyanomethyl)-2,2-dimethylpropyl 1H-imidazol-1-ylphosphonite]