There are provided compounds of formula (I), wherein R1 to R5, Ak and X1 to X3 have meanings given in the description, which compounds have antiinflammatory 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.
提供了化合物的结构式(I),其中R1至R5,Ak以及X1至X3的含义见说明,这些化合物具有抗炎活性(例如通过抑制p38丝裂原活化蛋白激酶家族中的一个或多个成员;Syk激酶;以及Src
酪氨酸激酶家族的成员之一),并且在治疗中有用,包括在药物组合中,特别是用于治疗炎症性疾病,包括肺部、眼部和肠道的炎症性疾病。