公开(公告)号：EP4219485A1

公开(公告)日：2023-08-02

申请号：EP21871686.8

申请日：2021-09-28

申请人： CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD. ,  Medshine Discovery Inc.

发明人： ZHANG, Peng ,  LUO, Yunfu ,  GAO, Feng ,  CHEN, Shuhui

IPC分类号： C07D409/14 ,  C07D487/04 ,  C07D491/056 ,  A61K31/4709 ,  A61K31/4995 ,  A61P11/00

摘要： Disclosed are a fused tricyclic derivative and a pharmaceutical application thereof. Specifically disclosed are a compound represented by formula (III) and a pharmaceutically acceptable salt thereof.

公开(公告)号：EP3741754A1

公开(公告)日：2020-11-25

申请号：EP19741497.2

申请日：2019-01-18

申请人： Chia Tai Tianqing Pharmaceutical Group Co., Ltd.

发明人： YAO, Yuanshan ,  CHEN, Bin ,  GAO, Feng ,  CHEN, Yuan ,  XU, Ran ,  YANG, Chengshuai ,  ZHANG, Sheng ,  LI, Jian ,  CHEN, Shuhui

IPC分类号： C07D409/06 ,  C07D495/00 ,  A61K31/382 ,  A61K31/405 ,  A61P37/08 ,  A61P11/02

摘要： Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.