5′-O-DMTr-2′-dA(Bz)-3′-O-[P-methyl-(N, N-diisopropyl)]-Phosphonamidite

N6-benzoyl-5'-O-(4, 4'-dimethoxytrityl)-2'-deoxy-adenosine-3'-O-[P-methyl-(N, N-diisopropyl)] Phosphonamidite