The instant invention provides compounds of formula I which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
本发明提供的式 I 化合物是
JAK 抑制剂,因此可用于治疗 JAK 介导的疾病,如类风湿性关节炎、哮喘、慢性阻塞性肺病和癌症。