Xevinapant hydrochloride是一种口服有效的Smac模拟物和IAPs拮抗剂，能以高亲和力结合XIAP、cIAP1和cIAP2。它通过拮抗XIAP BIR3、诱导cIAP1降解，从而抑制癌细胞生长并有效诱导肿瘤细胞凋亡。

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