The present invention relates to pyrazolopyrimidinone derivatives of formula (1), their preparation method and pharmaceutical compositions containing the said derivatives. The compounds have efficacy on the treatment of impotence, one of male sexual dysfunctions with the side effects reduced.
本发明涉及式(1)的
吡唑嘧啶酮衍
生物,其制备方法和包含所述衍
生物的制药组合物。该化合物具有治疗阳痿的功效,是男性性功能障碍之一,其副作用也得到了减轻。