The compounds have the connecting ring structures of piperazine or piperidine, have notable antitumor activity, and provide a new choice for preparing antitumor drugs in clinical practice.

该类化合于具有哌嗪或哌啶的连接环结构，且具有显著的抗肿瘤活性，为临床上制备抗肿瘤药物提供了新的选择。