A heterocyclic derivative represented by formula (I), or a pharmaceutically acceptable salt or a stereoisomer thereof, which has an inhibitory effect on the activation of STAT3 protein, and is useful for the prevention or treatment of diseases associated with the activation of STAT3 protein.
由式(I)表示的杂环衍
生物,或其药用可接受的盐或立体异构体,对STAT3蛋白激活具有抑制作用,并可用于预防或治疗与STAT3蛋白激活相关的疾病。