β-D-ribo-Heptofuranothymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-5′-amino-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 7′-(4-methylbenzenesulfonate)

1-[5-Amino-2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-7-O-[(4-methylphenyl)sulfonyl]-β-D-ribo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5R)-5-[(1R)-1-Azido-3-buten-1-yl]-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

β-D-ribo-Heptofuranothymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-β-D-arabino-adenylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

β-D-ribo-Heptofuranothymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-β-D-arabino-adenylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-β-D-arabino-adenylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-β-D-arabino-adenylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

β-D-ribo-Heptofuranothymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-deoxy-2′-fluoro-β-D-arabino-adenylyl-(3′→5′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 7′-(4-methylbenzenesulfonate)

β-D-ribo-Heptofuranothymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5-methyl-β-D-arabino-uridylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

β-D-ribo-Heptofuranothymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5-methyl-β-D-arabino-uridylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5-methyl-β-D-arabino-uridylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-5-methyl-β-D-arabino-uridylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

β-D-ribo-Heptofuranothymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

β-D-ribo-Heptofuranothymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

β-D-ribo-Heptofuranothymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxo-2′-deoxy-2′-fluoro-5-methyl-β-D-arabino-uridylyl-(3′→5′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 7′-(4-methylbenzenesulfonate)

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

β-D-ribo-Heptofuranothymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 7′-(4-methylbenzenesulfonate)

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2,6-dideoxy-2-fluoro-β-D-altrofuranosyl]-9H-purin-6-amine