FUSED PYRIDONE COMPOUND, AND PREPARATION METHOD THEREFOR AND USE THEREOF
申请人:SHANGHAI JEMINCARE PHARMACEUTICALS CO., LTD
公开号:US20220389029A1
公开(公告)日:2022-12-08
Disclosed in the present invention are a fused pyridone compound, and a preparation method therefor and a use thereof. Specifically, the present invention discloses a compound of formula (I-B), an optical isomer thereof and a pharmaceutically acceptable salt thereof, and the use of the compound as a KRAS inhibitor.