KINASE INHIBITORS

摘要

In compounds of formula I: R1 to R5, Ar and X1 to X3 have defined meanings. The compounds have anti-inflammatory activity (e.g., through inhibition of one or more of members of: the family of p38 mitogen-activated protein kinase enzymes; Syk kinase; and members of the Src family of tyrosine kinases) and have use in therapy, including in pharmaceutical combinations, especially in the treatment of inflammatory diseases, including inflammatory diseases of the lung, eye and intestines.