The present inventors have investigated a compound which has a PDE9-inhibitory action and is useful as an active ingredient for an agent for treating and/or preventing storage dysfunction, voiding dysfunction, and bladder/urethral diseases, and the like, and thus, have found that an imidazoquinoxaline compound or a triazoloquinoxaline compound has a PDE9-inhibitory action, thereby completing the present invention.
本发明者研究了一种具有PDE9抑制作用的化合物,该化合物可用作治疗和/或预防储存功能障碍、排尿功能障碍、膀胱/尿道疾病等药物的活性成分。因此,发现
咪唑喹啉化合物或三唑
喹啉化合物具有PDE9抑制作用,从而完成了本发明。