The present invention provides a remedial agent for erectile dysfunction which comprises a 3(2H)-pyridazinone derivative represented by the formula (I):
wherein each symbol is the same as defined in the specification
or a pharmaceutically acceptable salt thereof as an active ingredient.
本发明提供了一种治疗勃起功能障碍的药物,它包括由式(I)代表的3(2H)-
哒嗪酮衍
生物:
其中各符号与说明书中的定义相同
或其药学上可接受的盐作为活性成分。