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.
式(I)的化合物及其药用盐:其中R2、W、A、Y和R1如规范中定义,是p38
MAPK
抑制剂,可用作抗炎药物,治疗呼吸道疾病等疾病。