for the following products
N-Acetyl-5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine | N-Acetyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-cytidine | N4-acetyl-2'-deoxy-5'-O-dmt-cytidine | N4-Acetyl-5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine and N-(1-((2R,4S,5R)-5-((bis-(4-Methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)acetamide
