5-amino-1-[1-(1-hydroxy-ethyl)-4-phenyl-butyl]-1H-pyrazole-4-carboxamide 、
(3,4-二甲氧基苯基)乙酰氯 以the title compound is obtained analogously to the protocol of Example 13的产率得到6-(3,4-Dimethoxy-benzyl)-1-[1-(1-hydroxy-ethyl)-4-phenyl-butyl]-1,5-dihydro-pyrazolo-[3,4-d]pyrimidin-4-one