Uridine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 5′-O-(phenylmethyl)-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 3′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 5′-benzoate

Thymidine, 3′-O-(phenylmethyl)-, 5′-benzoate

Thymidine, 5′-benzoate 3′-(2,4,6-trimethylbenzoate)

Thymidine, 5′-benzoate 3′-(4-methoxybenzoate)

Thymidine, 5′-benzoate 3′-[4-(trifluoromethyl)benzoate]

Thymidine, 5′-benzoate 3′-(1-naphthalenecarboxylate)

Thymidine, 3′-acetate 5′-benzoate

2′-Deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-5-[2-[[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]amino]-2-oxoethyl]-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-5-[2-[[2-[bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-5-[2-[(6-aminohexyl)amino]-2-oxoethyl]-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-5-[2-[(2-aminoethyl)amino]-2-oxoethyl]-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-

Uridine, 5-[2-[[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]amino]-2-oxoethyl]-2′-deoxy-

Uridine, 5-[2-[[2-[bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2′-deoxy-

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidineacetate

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidineacetate