Compounds of formula (I) defined herein are both inhibitors of the phosphodiesterase 4 (PDE4) enzyme and muscarinic M3 receptor antagonists and are useful for the prevention and/or treatment of a disease of the respiratory tract characterized by airway obstruction.
本文定义的化合物(I)的
化学式既是
磷酸二酯酶4(PDE4)酶的
抑制剂,又是肌力膜M3受体
拮抗剂,可用于预防和/或治疗呼吸道疾病,其特征为气道阻塞。