[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-5-methyl-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranouridine

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-2′-O-(2-methoxyethyl)-5-methyl-3′-O-(phenylmethyl)-α-L-talo-heptofuranouridine

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

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-2′-O-[(2-methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranoadenosine

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-7′)-6′-deoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-α-L-talo-heptofuranoadenosine

α-L-talo-Heptofuranocytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranocytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranocytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-methyl-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranoguanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranoguanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranoguanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-methyl-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranouridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-5-methyl-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranouridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-(2-methoxyethyl)-5-methyl-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranouridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-5-methyl-2′-O-methyl-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranoadenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

α-L-talo-Heptofuranoadenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-6′-deoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-, 7′-(4-methylbenzenesulfonate)

1-[6-Deoxy-2-O-methyl-7-O-[(4-methylphenyl)sulfonyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

9-[6-Deoxy-2-O-[2-(methylamino)-2-oxoethyl]-7-O-[(4-methylphenyl)sulfonyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-9H-purin-6-amine

9-[6-Deoxy-2-O-(2-methoxyethyl)-7-O-[(4-methylphenyl)sulfonyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-9H-purin-6-amine

4-Amino-1-[6-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-7-O-[(4-methylphenyl)sulfonyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-2(1H)-pyrimidinone