Oxazabicyclo derivatives of formula (I):
 wherein the variable groups are as defined in the specification, which are useful as 5-HT₄ receptor agonist for the treatment of digestive tract diseases.
                            公式(I)的Oxazabicyclo衍
生物:其中变量基团如规范中所定义,可用作5-HT₄受体激动剂,用于治疗消化道疾病。