Compounds useful as inhibitors of PDE4 in the treatment of diseases regulated by the activation and degranulation of eosinophils, especially asthma, chronic bronchitis, and chronic obstructive pulmonary disease, of the formula:
wherein the substituents are as defined in the specification.
以下化合物可用作PDE4的
抑制剂,用于治疗由嗜酸性粒细胞的活化和脱颗粒调控的疾病,特别是哮喘、慢性支气管炎和慢性阻塞性肺疾病,其
化学式如下:其中取代基如规范中所定义。