This invention provides a compound of the formula (I): wherein R1 represents a hydrogen atom or a halogen atom; R2 represents a methyl group or an ethyl group; or pharmaceutically acceptable salts thereof. These compounds have 5-HT4 receptor agonistic activity and 5-HT3 receptor antagonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome, diabetes or the like in mammalian, especially humans. The present invention also relates to a pharmaceutical composition, a method of treatment and use, comprising the above compounds.
该发明提供了一种化合物,其
化学式为(I):其中R1代表氢原子或卤原子;R2代表甲基基团或乙基基团;或其药学上可接受的盐。这些化合物具有5-HT4受体激动活性和5-HT3受体拮抗活性,因此可用于哺乳动物,尤其是人类的胃食管反流病、非溃疡性消化不良、功能性消化不良、肠易激综合征、糖尿病等的治疗。本发明还涉及一种药物组合物、治疗方法和用途,包括上述化合物。