The present invention provides a compound of formula (I) or a salt thereof (in particular, a pharmaceutically acceptable salt thereof):
The invention also provides the use of the compounds or salts as inhibitors of phosphodiesterase type IV (PDE4) for the treatment or prophylaxis of inflammatory or allergic diseases such as chronic obstructive pulmonary disease (COPD), asthma, rhinitis, atopic dermatitis or psoriasis, e.g. in a mammal such as a human.
本发明提供了式(I)的化合物或其盐(特别是其药学上可接受的盐):本发明还提供了将该化合物或盐用作
磷酸二酯酶IV(PDE4)的
抑制剂,用于治疗或预防炎症或过敏性疾病,如慢性阻塞性肺疾病(
COPD),哮喘,鼻炎,特应性皮炎或
银屑病,例如在哺乳动物,如人类中。