1-(2-Deoxy-3,5-di-O-acetyl-β-D-ribosyl)-4-chloropyrimidin-2(1H)-one

5'-dApdC-3'

2-(1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione

3',5'-O-bis(4-chlorobenzoyl)-2'-deoxy-β-D-cytidine

4-N-(6-bromo-7-hydroxycoumarin-4-ylmethoxycarbonyl)-2'-deoxycytidine