PHTALAZINE DERIVATIVES AS JAK1 INHIBITORS

摘要

JAK1 inhibitors of structural formula (I), wherein Ar1, Ar2, Q, W, X, Y, and Z are defined in the specification, pharmaceutically acceptable salts thereof, compositions thereof, and use of the compounds and compositions for treating diseases. The invention also comprises use of the compounds in and for the manufacture of medicaments, particularly for treating diseases.