[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-2′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-β-D-altro-heptofuranouridine

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-2′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-β-D-allo-heptofuranouridine

β-D-altro-Heptofuranouridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-2′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-, 7′-(4-methylbenzenesulfonate)

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-7-O-[(4-methylphenyl)sulfonyl]-β-D-allo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3S,4R,5R)-4-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-3-fluorotetrahydro-5-[(1R)-1-hydroxy-3-buten-1-yl]-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

β-D-allo-Heptofuranouridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-2′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluoro-5-methyl-, 7′-(4-methylbenzenesulfonate)

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-7-O-[(4-methylphenyl)sulfonyl]-β-D-altro-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4R,5R)-4-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-3-fluorotetrahydro-5-[(1R)-1-hydroxy-3-buten-1-yl]-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3S,4R,5R)-4-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-3-fluorotetrahydro-5-[(1S)-1-hydroxy-3-buten-1-yl]-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4R,5R)-4-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-3-fluorotetrahydro-5-[(1S)-1-hydroxy-3-buten-1-yl]-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

α-L-talo-Octofuranoadenosine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-methyl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

α-L-talo-Octofuranoadenosine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-methyl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-octofuranoadenosine

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-octofuranoadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-8′-bromo-6′,7′,8′-trideoxy-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-octofuranoadenosine

9-[8-Bromo-6,7,8-trideoxy-2-O-methyl-3-O-(phenylmethyl)-α-L-talo-octofuranosyl]-9H-purin-6-amine

9-[8-Bromo-6,7,8-trideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-(phenylmethyl)-α-L-talo-octofuranosyl]-9H-purin-6-amine

β-D-allo-Octofuranoadenosine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-methyl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]