英文名称
                        [(2R,3R,4R,5R)-5-(6-benzamidopurin-9-yl)-3-[tert-butyl(dimethyl)silyl]oxy-4-[(2-chlorophenoxy)-hydroxyphosphoryl]oxyoxolan-2-yl]methyl [(2R,3R,4R,5R)-2-(6-benzamidopurin-9-yl)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-3-yl] (2-chlorophenyl) phosphate