5′-DMT-2′-O-NMA-A(Bz)-3′-CE-Phosphoramidite

[6-N-benzoyl-5'-O-(4, 4'-dimethoxytrityl)-2'-O-[2-(methylamino)-2-oxoethyl]adenosine]-3'-[(2-cyanoethyl)-N, N-diisopropyl]phosphoramidite