Uridine, 3′-azido-2′,3′-dideoxy-5-[3-[[10-[[5-[6-[(3,5-dimethylphenyl)thio]-5-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-1-oxopentyl]amino]decyl]amino]-3-oxopropyl]-

Uridine, 3′-azido-2′,3′-dideoxy-5-[3-[[4-[[5-[6-[(3,5-dimethylphenyl)thio]-5-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-1-oxopentyl]amino]butyl]amino]-3-oxopropyl]-

Thymidine, 3′-azido-3′-deoxy-3-[3-[[10-[[5-[6-[(3,5-dimethylphenyl)thio]-5-ethyl-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-1-oxopentyl]amino]decyl]amino]-3-oxopropyl]-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-

4-[[3-[1-(3-Azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1-oxopropyl]amino]butanoic acid

Methyl 4-[[3-[1-(3-azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1-oxopropyl]amino]butanoate

4-[(12-Aminododecyl)amino]-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2(1H)-pyrimidinone

Uridine, 5-[3-[(10-aminodecyl)amino]-3-oxopropyl]-3′-azido-2′,3′-dideoxy-

Uridine, 5-[3-[(4-aminobutyl)amino]-3-oxopropyl]-3′-azido-2′,3′-dideoxy-

Methyl (2R,3R,5R)-2,3-dihydro-3-[[(4-methoxyphenyl)diphenylmethoxy]methyl]-9-oxo-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepine-8-propanoate

Methyl 1-[2-deoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-3-O-(methylsulfonyl)-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinepropanoate

Methyl 1-(3-azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinepropanoate

Methyl 1-[3-azido-2,3-dideoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinepropanoate

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

Thymidine, 3-[3-[(10-aminodecyl)amino]-3-oxopropyl]-3′-azido-3′-deoxy-

Thymidine, 3-[3-[(10-aminodecyl)amino]-3-oxopropyl]-3′-azido-3′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-

Ethyl 3-(3-azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinepropanoate

Ethyl 3-[3-azido-2,3-dideoxy-5-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-β-D-erythro-pentofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinepropanoate

Cytosine, 1-β-L-arabinofuranosyl-, 5′-(dihydrogen phosphate)

4-Amino-1-β-L-arabinofuranosyl-2(1H)-pyrimidinone