申请人:Sichuan Haisco Pharmaceutical Co., Ltd.
公开号:US20230079045A1
公开(公告)日:2023-03-16
Provided are a compound of formula (I-a), an isomer thereof or a pharmaceutically acceptable salt thereof as a Hemagglutinin inhibitor, and a preparation method thereof. The compound is useful for preparing a medicament for treating a disease related to Hemagglutinin.