β-D-ribo-Heptofuranothymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyladenylyl-(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]-2′,6′-dideoxy-2′-fluoro-β-D-altrofuranoadenylyl-(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]-2′,6′-dideoxy-2′-fluoro-α-L-galactofuranoadenylyl-(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′,6′-dideoxy-2′-fluoro-α-L-talofuranocytidylyl-(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]-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-α-L-talofuranocytidylyl-(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]-6′-deoxy-2′-O-(2-methoxyethyl)-α-L-talofuranocytidylyl-(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]-6′-deoxy-2′-O-methyl-α-L-talofuranocytidylyl-(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′,6′-dideoxy-2′-fluoro-β-D-allofuranocytidylyl-(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]-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-β-D-allofuranocytidylyl-(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]-6′-deoxy-2′-O-(2-methoxyethyl)-β-D-allofuranocytidylyl-(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]-6′-deoxy-2′-O-methyl-β-D-allofuranocytidylyl-(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′-fluorocytidylyl-(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′-O-[2-(methylamino)-2-oxoethyl]cytidylyl-(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′-O-(2-methoxyethyl)cytidylyl-(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′-O-methylcytidylyl-(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′,6′-dideoxy-2′-fluoro-β-D-altrofuranocytidylyl-(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′,6′-dideoxy-2′-fluoro-α-L-galactofuranocytidylyl-(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-cytidylyl-(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′,6′-dideoxy-2′-fluoro-α-L-talofuranoguanylyl-(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]-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-α-L-talofuranoguanylyl-(3′→5′-7′)-6′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]