Uridine, 5′-[[6-cyano-3-(2-cyanoethoxy)-1-(5-hexyn-1-yloxy)-1-oxido-2,4-dioxa-1,3-diphosphahex-1-yl]amino]-2′,5′-dideoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 2′,5′-dideoxy-5′-[[(5-hexyn-1-yloxy)hydroxyphosphinyl]amino]-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 2′,5′-dideoxy-5′-[[(5-hexyn-1-yloxy)[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]amino]-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

2′,5′-Dideoxy-5′-[[(5-hexyn-1-yloxy)[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]amino]-5-(1,7-octadiyn-1-yl)uridine

Uridine, 2′,5′-dideoxy-5′-[[1-(5-hexyn-1-yloxy)-7,7-dimethyl-1,3,5-trioxido-2,4,6-trioxa-3,5-bis[(trimethylsilyl)oxy]-1,3,5-triphospha-7-silaoct-1-yl]amino]-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 5′-[[6-cyano-3-(2-cyanoethoxy)-1-(5-hexyn-1-yloxy)-1,3-dioxido-2,4-dioxa-1,3-diphosphahex-1-yl]amino]-2′,5′-dideoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 5′-[[(2-cyanoethoxy)(5-hexyn-1-yloxy)phosphinyl]amino]-2′,5′-dideoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 5′-azido-2′,5′-dideoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 2′,5′-dideoxy-5′-iodo-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]

Uridine, 2′-deoxy-5-(1,7-octadiyn-1-yl)-, 3′-[2-[4-(2-hydroxy-2-oxoethoxy)phenoxy]acetate]

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-3,7,8,9-tetrahydro-9-hydroxypyrimido[2,1-i]purine-9-methanol

9-(Chloromethyl)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-3,7,8,9-tetrahydropyrimido[2,1-i]purin-9-ol

Thymidine, 5′-O-[[(2-aminoethyl)amino]hydroxyphosphinyl]-2′-O-methyluridylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-phosphonouridylyl-(3′→5′)-thymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methyl-

Cytidine, 3′-azido-2′,3′-dideoxy-5-(2-propynyl)-

Cytidine, 2′,3′-dideoxy-5-(2-propynyl)-

Cytidine, 3′-azido-2′,3′-dideoxy-5-(2-propenyl)-

Cytidine, 2′,3′-dideoxy-5-(2-propenyl)-

Cytidine, 3′-azido-2′,3′-dideoxy-5-propyl-