New pharmacologically active heterocyclic derivatives as muscarinic receptor blocking agents, useful for the treatment of gastrointestinal disorders, of the following formula ##STR1## wherein the substituents are defined hereinbelow.
新的药理活性杂环衍
生物作为肌
胆碱受体阻断剂,用于治疗胃肠道疾病,
化学式如下所示 ##STR1## 其中取代基的定义如下。