2,2'-(3-((((2R,3R,4R,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-hydroxytetrahydrofuran-3-yl)thio)methyl)pentane-1,5-diyl)bis(isoindoline-1,3-dione)

2'-deoxy-4,4-di-N-methyl-2'-(9-phenylxanthen-9-ylthio)cytidine

2'-S-(4,4'-Dimethoxytrityl)-2'-thiouridine

2'-S-(4,4'-Dimethoxytrityl)-2'-thiocytidine

bis-(2'-deoxy-4,4-di-N-methylcytidin-2'-yl) disulphide