N4-ETHYL-DC CEP

2'-Deoxy-5'-O-DMT-N4-ethylcytidine 3'-CE phosphoramidite

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-ethyl-cytidine 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]