5′-ODMTr-2′-ODMA-G(iBu)-3′-CE-Phosphoramidite

N2-isobutyryl-5'-O-(4, 4'-dimethoxytrityl)-2'-O-[2-(dimethylamino)-2-oxoethoxy]-guanosine-3'-O-[(2-cyanoethyl)-N, N-diisopropyl] Phosphoramidite