3'-[[[3',6'-Bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H}xanthen]-5(or6)-yl]carbonyl]amino]-2',3'-dideoxyCytidine

3'-[[6-[[[3',6'-bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen-5(or6)-yl]carbonyl]amino]-1-oxohexyl]amino]-2'3'-dideoxyuridine

3'-[[[3',6'-bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen-5(or6)-yl]carbonyl]amino]-2'3'-dideoxyuridine

3'-[[6-[[6-[[[3',6'-bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen-5(or6)-yl]carbonyl]amino]-1-oxohexyl]amino]-1-oxohexyl]amino]-2'3'-dideoxyuridine

3'-[[6-[[6-[[6-[[[3',6'-bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen-5(or6)-yl]carbonyl]amino]-1-oxohexyl]amino]-1-oxohexyl]amino]-1-oxohexyl]amino]-2'3'-dideoxyuridine

3'-[[6-[[6-[[6-[[[3',6'-bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H}xanthen]-5(or6)-yl]carbonyl]amino]-1-oxohexyl]amino]-1-oxohexyl]amino]-1-oxohexyl]amino]-2',3'-dideoxyCytidine

3'-[[29-[3',6'-Bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5(or6)-1,8,15,22,29-pentaoxo-7,14,21,28-tetraazanonacos-1-yl]amino]-2',3'-dideoxyCytidine

3'-[[4-[[6-[[Carbonyl]amino]hexyl]amino]-1,4-dioxobutyl]amino]-2',3'-dideoxyCytidine

2'-Deoxy-5-(hydroperpoxymethyl)Cytidine

5-(1-Azido-2-bromoethyl)-2'-deoxyuridine

3'-C-(2-amino-2-oxoethyl)Cytidine

3'-[[4-[[6-[[[3',6'-Bis(2,2-dimethyl-1-oxopropoxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen-5(or6)-yl]carbonyl]amino]hexyl]amino]-1,4-dioxobutyl]amino]-2'3'-dideoxyuridine

2'-Deoxy-5-[(E)-2-[4-[3-(trifluoromethyl)-3H-diazirin-3-yl)phenyl]ethenyl]uridine

Sangivamycin

Cytidine, 5-[2-[[2-[bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2'-deoxy- (9CI)

2'-Thio-cyclic2',3'-(hydrogenphosphate)uridine

5-(4-Bromo-3-thienyl)-2'-deoxyuridine

3'-Uridylic acid, 2'-S-(4-nitrophenyl)-2'-thio-

5'-Cytidylic acid, 2'-O-Methyl-

4-Amino-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid