Compounds of Formula (I): in which R1, R2, R3, R4, X, Y and n have the meanings given in the specification, are inhibitors of Trk kinases and are useful in the treatment of diseases which can be treated with a Trk kinase inhibitor.
式(I)的化合物:其中R1、R2、R3、R4、X、Y和n具有规范中给出的含义,是Trk激酶的
抑制剂,并且可用于治疗可以用Trk激酶
抑制剂治疗的疾病。