The present invention relates to a combination of a compound represented by formula (I), an isomer thereof or a pharmaceutically acceptable salt thereof which are used as an IAP inhibitor, and an immune checkpoint inhibitor; and use of the combination in the preparation of a cancer treatment drug.
                            本发明涉及一种由式(I)代表的化合物、其异构体或其药学上可接受的盐组成的组合物,可用作 
IAP 抑制剂和免疫检查点
抑制剂;以及该组合物在制备癌症治疗药物中的用途。