Compounds of formula I defined herein act both as muscarinic receptor antagonists and beta2 adrenergic receptor agonists and are useful for the prevention and/or treatment of broncho-obstructive or inflammatory diseases.
本处定义的I式化合物既作为肌肉收缩受体拮抗剂,又作为β2
肾上腺素受体激动剂,可用于预防和/或治疗支气管阻塞或炎症性疾病。