5'-[(2-Aminoacetyl)amino]-5'-deoxyuridine

5-[5-[1-[2-[[3,5-Bis[[1-oxo-4-[(triphenylmethyl)thio]butyl]amino]benzoyl]amino]ethyl]-1H-1,2,3-triazol-4-yl]-1-pentyn-1-yl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

5-[(Methoxyamino)methyl]-2-thiouridine

5',5'''-[(1,4-Dioxo-1,4-butanediyl)diimino]bis[5'-deoxyuridine]

5'-[(3-Carboxy-1-oxopropyl)amino]-5'-deoxyuridine

5',5'''-[(1,4-Dioxo-1,4-butanediyl)bis[imino(1-oxo-2,1-ethanediyl)imino]]bis[5'-deoxyuridine]

3'-Deoxy-3'-fluoro-4'-C-methoxyuridine

5-[2-[4-(3-Benzoyl-3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)phenyl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[2-[3-(3-Benzoyl-3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)phenyl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

2'-Deoxy-2'-fluoro-4'-C-methoxyuridine

3'-Deoxy-4'-C-methoxyuridine

3'-Azido-3'-deoxy-4'-C-methoxyuridine

2'-Deoxy-2'-fluoro-4'-C-methoxyuridine 5'-(tetrahydrogen triphosphate)

4'-C-Methoxyuridine 5'-(tetrahydrogen triphosphate)

3'-Azido-3',5'-dideoxy-5'-iodouridine

3'-Deoxy-3'-fluoro-4'-C-methoxycytidine

2'-Deoxy-4'-C-ethoxy-2'-fluorouridine

3'-Deoxy-3'-fluoro-4'-C-methoxycytidine 5'-(tetrahydrogen triphosphate)

4'-C-Methoxycytidine 5'-(tetrahydrogen triphosphate)

3'-Amino-3'-deoxy-4'-C-methoxyuridine 5'-(tetrahydrogen triphosphate)