for the following products
(2R,3S,4S,5R)-5-(4-acetamido-2-oxopyrimidin-1(2H)-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite | 5'-O-DMT-2'-O-tert-butyldimethylsilyl-N4-Acetyl-cytidine 3'-CE phosphoramidite | 5'-O-Dmt-2'-tbdms-rc(N-ac)-3'-cedpa | DMT-2'-O-TBDMS-rC(Ac)-phosphoramidite | N-Acetyl-5'-o-(4,4-dimethoxytrityl)-2'-o-[(tert-butyl)dimethylsilyl]cytidine-3'-(2-cyanoethyl-N,N-diisopropyl)phosphoramidite and Ac-rC-CE-Phosphoramidite