The present invention relates to compound of formula I or its pharmaceutically acceptable salts, and wherein R1, R2, R3A, R3B, R4, R5, X, m and n are as defined herein. Such novelty benzimidizole derivatives can treat abnormal cell growth, such as cancer with what in mammals. The present invention also relates to the methods for treating abnormal cell growth using such compound in mammal, the especially mankind, and the pharmaceutical composition containing such compound.本發明涉及式I化合物或其藥學上可接受的鹽，其中R1，R2，R3A，R3B，R4，R5，X，m及n均如本文定義。此種新穎苯并咪唑衍生物可在哺乳動物中用於治療異常細胞生長，例如癌症。本發明也涉及在哺乳動物，尤其是人類中使用此種化合物以治療異常細胞生長的方法，及含有此種化合物的藥物組合物。
