| abstract |
Formula (I) [Wherein, R 1 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, and the like, X 1 -X 2 -X 3 represents CR 5 = CR 6 -CR 7 = CR 8 , CR 5 = CR 6 -S Y represents —CH 2 S—, SOCH 2 or the like, and R 2 represents a hydrogen atom or the like], or a pharmacologically acceptable salt thereof as an active ingredient. To provide a therapeutic agent for overactive bladder. |