| abstract |
Disclosed are compounds which have PDE9 inhibitory activity and are useful as the active ingredient of therapeutics and/or preventives for urine collection disorder, urination disorder, bladder/urinary tract diseases and so on. As the results of studies on compounds having PDE9 inhibitory activity and being useful as the active ingredient of therapeutics and/or preventives for urine collection disorder, urination disorder, bladder/urinary tract diseases and so on, it is confirmed that an imidazoquinoxaline compound or a triazoloquinoxaline compound has PDE9 inhibitory activity. The aforesaid imidazoquinoxaline compound or triazoloquinoxaline compound has PDE9 inhibitory activity and is usable as preventives and/or therapeutics for urine collection disorders urination disorders bladder/urinary tract diseases and so on. |