The invention provides compounds of formula (I):
wherein X is
and the variables are defined in the specification, or a pharmaceutically-acceptable salt thereof, that are useful as JAK kinase inhibitors. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat respiratory diseases, and processes and intermediates useful for preparing such compounds.
本发明提供了式 (I) 的化合物:
其中 X 是
或其药学上可接受的盐,可用作 JAK 激酶
抑制剂。本发明还提供了包含此类化合物的药物组合物、使用此类化合物治疗呼吸系统疾病的方法以及制备此类化合物的工艺和中间体。