Compounds of formula I, defined herein, act both as muscarinic receptor antagonists and beta2 adrenergic receptor agonists and are useful for treating broncho-obstructive and inflammatory diseases.
本文定义的式 I 化合物既是毒蕈碱受体拮抗剂,又是β2
肾上腺素能受体激动剂,可用于治疗支气管阻塞性疾病和炎症性疾病。