Adenosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2-[(methoxyacetyl)amino]-N-(2-methyl-1-oxopropyl)-2'-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] (9CI) [ 872548-56-6 ]