Compounds, pyridine N-oxides, and pharmaceutically acceptable salts of formula (I) are useful as inhibitors of the phosphodiesterase 4 (PDE4) enzyme and for preventing and/or treating diseases of the respiratory tract characterized by airway obstruction, such as asthma or COPD.
公式(I)的化合物,
吡啶N-氧化物和药学上可接受的盐,可用作
磷酸二酯酶4(PDE4)酶的
抑制剂,并用于预防和/或治疗呼吸道疾病,其特征为气道阻塞,如哮喘或
COPD。