[(2R,3S,5R)-2-[[[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-[bis(4-methoxyphenyl)-phenylmethyl]phosphoryl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] 2-methoxyacetate 生成
5'-O-(4,4'-二甲氧基三苯基甲基)二胸苷基(3',5')-4,4'-二甲氧基三苯基甲烷膦酸酯