The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the formula (I):
wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or an optionally substituted C1-6 alkoxy group; and ring A is an optionally further substituted ring, or a salt thereof.
本发明旨在提供一种可用于预防或治疗便秘等疾病的化合物。本发明提供了一种由式(I)表示的化合物:
其中 R1 是氢原子、卤素原子、任选取代的 C1-6 烷基或任选取代的 C1-6 烷氧基;环 A 是任选进一步取代的环或其盐。