Disclosed is a compound as represented by formula (I). Also provided in the present invention are a pharmaceutically acceptable salt of the compound, a preparation method for same, uses of same, and a pharmaceutical composition thereof. The compound provided in the present invention provides significant inhibitory effects against tumor cells, is applicable in preventing and/or treating tumor-related diseases, specifically breast cancer, colon cancer, lung cancer, and multiple myeloma, and has broad application prospects.本發明提供一種式(I)所示的化合物。本發明還提供了其藥學可接受的鹽、製備方法、用途及其藥物組合物。本發明提供的化合物對腫瘤細胞具有顯著的抑制作用，可以用於預防和/或治療腫瘤相關疾病，尤其是乳腺癌、結腸癌、肺癌和多發性骨髓瘤等，具有廣泛的應用前景
