5-[E-2-[N-[N-[N1-(4-T-BUTYLBENZOYL)-D-(+)-BIOTINYL]-6-AMINOHEXYL]CARBOXAMIDO]VINYL]-5-O-(4,4-DIMETHOXYTRITYL)-2-DEOXYURIDINE, 3-[(2-CYANOETHYL)-(N,N-DIISOPROPYL)]PHOSPHORAMIDITE [ 198080-40-9 ]