5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]ethyl]-5-methyluridine

2'-O-(2-Azidoethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyluridine

5'-[[(2-Chlorophenyl)methyl]amino]-5'-deoxyuridine

(4Z)-2'-Deoxyuridine 4-(O-2-propen-1-yloxime)

(4E)-2'-Deoxyuridine 4-(O-2-propen-1-yloxime)

5'-[[(2-Chloro-6-fluorophenyl)methyl]amino]-5'-deoxyuridine

5'-[[(4-Chlorophenyl)methyl]amino]-5'-deoxyuridine

2'-Deoxyuridine 2-hydrazone

5'-[[(2S)-2-[(3,7-Anhydro-2-deoxy-D-glycero-L-gluco-octonoyl)amino]-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-[(3,7-Anhydro-2-deoxy-D-glycero-L-gluco-octonoyl)amino]-3-(1H-indol-3-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-5-Amino-2-[(3,7-anhydro-2-deoxy-D-glycero-L-gluco-octonoyl)amino]-1,5-dioxopentyl]amino]-5'-deoxyuridine

5'-[[(2S)-6-Amino-2-[(3,7-anhydro-2-deoxy-D-glycero-L-gluco-octonoyl)amino]-1-oxohexyl]amino]-5'-deoxyuridine

5'-[[(2S)-3-(1H-Imidazol-5-yl)-1-oxo-2-[(4,5,6,8-tetra-O-acetyl-3,7-anhydro-2-deoxy-D-glycero-L-gluco-octonoyl)amino]propyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-Amino-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-[(3,6-Anhydro-2-deoxy-L-manno-heptonoyl)amino]-3-(1H-indol-3-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-[[3,6-Anhydro-2-deoxy-4,5,7-tris-O-(phenylmethyl)-L-gluco-heptonoyl]amino]-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-[[3,6-Anhydro-2-deoxy-4,5,7-tris-O-(phenylmethyl)-L-manno-heptonoyl]amino]-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine

2-[4-(Dimethylamino)-1H-1,2,3-triazol-1-yl]-N-methyladenosine

5'-[[(2S)-2-[(3,6-Anhydro-2-deoxy-L-manno-heptonoyl)amino]-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine

5'-[[(2S)-2-[(3,6-Anhydro-2-deoxy-L-gluco-heptonoyl)amino]-3-(1H-imidazol-5-yl)-1-oxopropyl]amino]-5'-deoxyuridine