A serotonin 5-HT3 receptor agonist containing a compound represented by the general formula (1) [R
1
, R
3
and R
5
represent hydrogen atom, a lower alkyl group, a lower alkenyl group, a halogen atom, hydroxyl group, amino group, a lower alkoxy group, carboxyl group, carbamoyl group, or nitro group, R
2
and R
4
represent a halogen atom, hydroxyl group, or amino group, R
6
represents hydrogen atom, a lower alkyl group, or a lower alkenyl group, R
7
represents hydrogen atom, a lower alkyl group, a lower alkenyl group, or an aralkyl group, and m and n are integers of 1 to 3] or a physiologically acceptable salt thereof as an active ingredient and having both a serotonin 5-HT3 receptor antagonistic action and a serotonin 5-HT3 receptor activating action.
含有一种化合物的5-HT3受体激动剂,该化合物由通式(1)表示 [其中R1、R3和R5代表氢原子、低碳基、低烯基、卤素原子、羟基、
氨基、低烷氧基、羧基、
氨基甲酰基或硝基;R2和R4代表卤素原子、羟基或
氨基;R6代表氢原子、低碳基或低烯基;R7代表氢原子、低碳基、低烯基或芳基烷基;m和n为1到3的整数]或其生理上可接受的盐作为活性成分,并具有5-HT3受体拮抗作用和5-HT3受体激活作用。