5'-[[4-[[2,7-Bis[2-(dimethylamino)ethyl]-1,2,3,6,7,8-hexahydro-1,3,6,8-tetraoxobenzo[lmn][3,8]phenanthrolin-4-yl]amino]butyl]amino]-2',5'-dideoxy-5-fluorouridine

5'-[(2-Aminoethyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(7-Aminoheptyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(6-Aminohexyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(5-Aminopentyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(4-Aminobutyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(3-Aminopropyl)amino]-2',5'-dideoxy-5-fluorouridine

5'-[(8-Aminooctyl)amino]-2',5'-dideoxy-5-fluorouridine

2'-O-Methyluridylyl-(3'→5')-5-bromo-2'-O-methyluridine

5-Bromo-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridine

2'-Deoxy-2'-[(2,2,2-trifluoroacetyl)amino]-5-methyluridine

[5,5'':6,6''-Dicyclo]-5-bromo-5,6-dihydro-2'-O-methyluridylyl-(3'→5')-5,6-dihydro-2'-O-methyluridine

L-Tryptophan, N-[(3S)-6-carboxy-10-[(3-hydroxyphenyl)methyl]-7,8,13-trimethyl-3-[2-(methylthio)ethyl]-1,4,9-trioxo-2,5,8,11-tetraazatetradec-1-yl]-, (N→5')-amide with 5'-amino-4',5'-didehydro-3'-deoxyuridine

L-Tryptophan, N-[(3S)-13-bromo-6-carboxy-10-[(3-hydroxyphenyl)methyl]-7,8-dimethyl-3-[2-(methylthio)ethyl]-1,4,9,12-tetraoxo-2,5,8,11-tetraazatridec-1-yl]-, (N→5')-amide with 5'-amino-4',5'-didehydro-3'-deoxyuridine

L-Tryptophan, N-[(3S)-6-carboxy-12-(2,4-difluorophenyl)-10-[(3-hydroxyphenyl)methyl]-7,8-dimethyl-3-[2-(methylthio)ethyl]-1,4,9-trioxo-2,5,8,11-tetraazadodec-1-yl]-, (N→5')-amide with 5'-amino-4',5'-didehydro-3'-deoxyuridine

O-Propargyl-Puromycin

3'-Deoxy-3'-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1-oxo-3-[4-(2-propyn-1-yloxy)phenyl]propyl]amino]-N,N-dimethyladenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-3'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-fluoro-5-methyl-2-thiouridine

5'-Deoxy-5'-fluoro-2'-O-(2-methoxyethyl)-5-methyluridine

5'-Deoxy-2'-O-(2-methoxyethyl)-5-methyluridine