PROBLEM TO BE SOLVED: To provide a therapeutic agent and/or a prophylactic agent for gastrointestinal disorder and the like.SOLUTION: There are provided a compound expressed by general formula (I) or a pharmaceutically allowable salt thereof. In general formula (I), A represents a replaceable phenylene group B represents a replaceable aryl group having 6 to 10 carbon atoms, a replaceable cycloalkyl group having 3 to 10 carbon atoms, or a replaceable heterocyclic group R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms R2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms R3 represents an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, a 1-3C alkoxy, a 1-3C alkyl group, or the like R4 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and n is an integer of 1 to 4.COPYRIGHT: (C)2012,JPO&INPIT【課題】胃腸障害等の治療薬及び/又は予防薬の提供。【解決手段】下記一般式(I)[式中、Aは、置換可フェニレン基、Bは置換可C6-10アリール基、置換可C3-10シクロアルキル基、置換可複素環基、R1は水素原子又はC1-3アルキル基、R2は水素原子又はC1-3アルキル基、R3はC1-6アルキル基、C3-10シクロアルキル基、C1-3アルコキシC1-3アルキル基など、R4は水素原子C1-6アルキル基など、nは1乃至4の整数。]で表される化合物又はその薬理上許容される塩。【選択図】なし
