The present invention provides a JAK kinase inhibitor and a preparation and application thereof, and the present invention specifically provides a compound having a structure represented in the following formula I, an enantiomer thereof, or a pharmaceutically acceptable salt thereof. The compound has uniquely advantageous JAK kinase inhibitory activity, and as such may be used for treatment of a disease or illness related to JAK kinase activity or expression level.
本发明提供一种JAK激酶
抑制剂及其制备方法和应用,并且具体地提供一种具有以下结构式I的化合物、其对映体,或者其药学上可接受的盐。该化合物具有独特优势的JAK激酶抑制活性,因此可用于治疗与JAK激酶活性或表达
水平相关的疾病或病症。