5-[6-[1-(3-Acetyl-5-nitrophenyl)-1H-1,2,3-triazol-4-yl]-1-hexyn-1-yl]-2'-deoxyuridine

5'-Amino-4'-C-(aminomethyl)-5'-deoxyuridine

5'-Azido-4'-C-(azidomethyl)-5'-deoxyuridine

5-[4-(9-Anthracenyl)-1,3-butadiyn-1-yl]-2'-deoxyuridine

5-[4-(9-Anthracenyl)-1,3-butadiyn-1-yl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[2-(9-Anthracenyl)ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[(1-Cyclohexyl-1H-tetrazol-5-yl)[(4-methylphenyl)amino]methyl]-2′-deoxyuridine

5-[2-(Cyclohexylamino)-1-[(3-nitrophenyl)(1-oxo-2-propyn-1-yl)amino]-2-oxoethyl]-2′-deoxyuridine

5-[(1S)-2-(Cyclohexylamino)-1-[(4-methylphenyl)(1-oxo-2-propyn-1-yl)amino]-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-2-(Cyclohexylamino)-1-[(4-methylphenyl)(1-oxo-2-propyn-1-yl)amino]-2-oxoethyl]-2'-deoxyuridine

5-[(1S)-1-[(4-Chlorobenzoyl)(3-nitrophenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-1-[(4-Chlorobenzoyl)(3-nitrophenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine

5-[(1S)-2-(Cyclohexylamino)-1-[(4-methylbenzoyl)(4-methylphenyl)amino]-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-2-(Cyclohexylamino)-1-[(4-methylbenzoyl)(4-methylphenyl)amino]-2-oxoethyl]-2'-deoxyuridine

5-[(1S)-1-[(4-Chlorobenzoyl)(4-methylphenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-1-[(4-Chlorobenzoyl)(4-methylphenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine

5-[(1S)-2-(Cyclohexylamino)-1-[(4-methylbenzoyl)phenylamino]-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-2-(Cyclohexylamino)-1-[(4-methylbenzoyl)phenylamino]-2-oxoethyl]-2'-deoxyuridine

5-[(1S)-1-[Benzoyl(4-chlorophenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine

5-[(1R)-1-[Benzoyl(4-chlorophenyl)amino]-2-(cyclohexylamino)-2-oxoethyl]-2'-deoxyuridine