Constipation type IBS prophylactic / therapeutic agent

摘要

(Wherein, R1 and R2 each independently represent a hydrogen atom or a lower alkyl group, and A represents a 1-azabicyclo [3.2.2] nonyl group, a 1-azabicyclo [2.2.2] octyl group, or A thieno [3,2-b] pyridinecarboxamide derivative, a pharmaceutically acceptable salt thereof, or a solvate or hydrate thereof. A novel prophylactic and / or therapeutic agent for constipation-type IBS, which is contained as an active ingredient.