[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′2-6′)-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-(2-hydroxyethyl)-β-D-ribo-hexofuranothymidine

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′2-6′)-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-(2-hydroxyethyl)-α-L-lyxo-hexofuranothymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→7′)-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-(iodomethyl)-α-L-lyxo-heptofuranothymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→7′)-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-(iodomethyl)-β-D-ribo-heptofuranothymidine

5-Methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-5-(iodomethyl)-α-L-lyxo-heptofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-5-(iodomethyl)-β-D-ribo-heptofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5S)-5-[3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-1-oxopropyl]-4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

β-D-ribo-Heptofuranothymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-5′-thio-, 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-5′-thio-, 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]-5′-thio-β-D-ribo-heptofuranothymidine

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

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

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

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

S-[(1R)-1-[(2S,3S,5R)-5-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-furanyl]-3-buten-1-yl] ethanethioate

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

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

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

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

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