申请人:Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
公开号:EP3889133A1
公开(公告)日:2021-10-06
Provided is an indole compound. In particular, disclosed are a compound represented by formula (II) or an isomer or pharmaceutically acceptable salt thereof and a use of the same as an estrogen receptor antagonist in preparing a drug for treating estrogen receptor-positive breast cancer.