for the following products
5'-O-(4,4'-Dimethoxytrityl)-N4-Acetyl-2'-O-Methy-Cytidine | N-(1-((2R,3R,4R,5R)-5-((bis-(4-Methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxy-3-methoxytetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)acetamide | N4-Acetyl-5'-O-DMT-2'-O-methylcytidine | N4-acetyl-5-methyl-5'-O-(4, 4'-dimethoxytrityl)-2'-O-methyl-cytidine and N4-acetyl-5'-O-DMT-2'-O-methyl-D-cytidine
