1-[(2R,4S,5R)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-5-[1-[2,3,4,6-tetrakis-O-(phenylmethyl)-β-D-glucopyranosyl]-1H-1,2,3-triazol-4-yl]-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2'-[[3-(Acetyloxy)-1-oxopropyl]amino]-2'-deoxyuridine

2'-[[3-(Acetyloxy)-1-oxopropyl]amino]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[(1E)-2-Bromoethenyl]-1-(3-chloro-2,3-dideoxy-β-D-threo-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-[3-chloro-5-O-(4-chlorobenzoyl)-2,3-dideoxy-β-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-3'-bromo-2',3'-dideoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-L-valyl-, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

L-Valine, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

Glycine, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

Glycine, N-[(1,1-dimethylethoxy)carbonyl]-, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

L-Valine, L-valyl-, 5'-ester with 5-[(1E)-2-bromoethenyl]-3'-chloro-2',3'-dideoxyuridine

5'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-2',5'-dideoxyuridine

L-Valine, L-valyl-, 5'-ester with 3'-azido-5-[(1E)-2-bromoethenyl]-2',3'-dideoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-L-valyl-, 5'-ester with 3'-azido-5-[(1E)-2-bromoethenyl]-2',3'-dideoxyuridine

3'-(Acetylamino)-5'-bromo-5-[(1E)-2-bromoethenyl]-2',3',5'-trideoxyuridine

3'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-2',3'-dideoxyuridine

5'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-3'-chloro-2',3',5'-trideoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 3'-ester with 5-[(1E)-2-bromoethenyl]-5'-chloro-2',5'-dideoxyuridine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-L-valyl-, 3'-ester with 5'-azido-5-[(1E)-2-bromoethenyl]-2',5'-dideoxyuridine