abstract |
The present invention provides a compound of formula (I) wherein X 1 , X 2 , X 3 , X 4 , X 5 , R 1 , R 2 , R 3 , A, B, Z and n are defined in the text. )) Or a pharmaceutically acceptable salt thereof. The present invention also relates to compositions containing said compounds useful for inhibiting kinases such as ALK and methods for treating diseases such as cancer. |