The present invention provides a piperidine derivative having antagonistic action for tachykinin receptors and the like, a crystal thereof, and an agent for the prophylaxis or treatment of diseases including lower urinary tract disease and the like, which contains the derivative. Specifically, the present invention provides an optically active compound represented by the formula (I):
wherein each symbol is as defined in the specification, and a salt thereof.
本发明提供了一种对
缓激肽受体等具有拮抗作用的
哌啶衍
生物,其晶体以及包含该衍
生物的用于预防或治疗包括下尿路疾病等疾病的药剂。具体地,本发明提供了由下式(I)表示的光学活性化合物:
其中每个符号如规范中定义的那样,以及其盐。