Compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein R
2
, W, A, Y and R
1
are as defined in the specification, are p38 MAPK inhibitors, and are useful as anti-inflammatory agents in the treatment of, inter alia, diseases of the respiratory tract.
化合物式(I)及其药学上可接受的盐:其中R2、W、A、Y和R1如规范中定义的那样,是p38
MAPK
抑制剂,并且在治疗呼吸道疾病等情况下作为抗炎剂是有用的。