5'-O-dimethoxytrityl-N6-benzoyldeoxyadenosine 3'-O-(S-4-chlorobenzyl)diisopropylaminophosphorothioamidite 生成 N-[1-[(2R,4S,5R)-5-[[[(2R,3S,5R)-5-(6-benzamidopurin-9-yl)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-3-yl]oxy-[(4-chlorophenyl)methylsulfanyl]phosphinothioyl]oxymethyl]-4-hydroxyoxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide