The invention provides a compound of formula 1
or a pharmaceutically-acceptable salt thereof, that is useful as a JAK inhibitor. The invention also provides pharmaceutical compositions comprising the compound, methods of using the compound to treat diseases amenable to a JAK inhibitor, and processes useful for preparing the compound.
该发明提供了一种化合物1的药物合适盐,可作为JAK
抑制剂。该发明还提供了包含该化合物的药物组合物,使用该化合物治疗适用于JAK
抑制剂的疾病的方法,以及用于制备该化合物的有用过程。