5′-O-DMTr-2′-O-TBDMS-5-Me-C(Ac)-3′-CE-Phosphoramidite

N4-Acetyl-5'-O-(4, 4'-dimethoxytrityl)-2'-O-(t-butyl-dimethylsilyl)-5-methyl-cytidine-3'-cyanoethyl Phosphoramidite