申请人:Tianjin Hemay Oncoloy Pharmaceutical Co., Ltd.
公开号:US10246443B2
公开(公告)日:2019-04-02
Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof,
wherein R1, R2, R3 and R4 are each as defined in the present application.
公开了一种式 I 的化合物、其立体异构体、顺反异构体、同系物或其混合物,或其药学上可接受的盐、溶液或原药、
其中 R1、R2、R3 和 R4 各如本申请中所定义。