申请人:Zhang Hesheng
公开号:US20130225579A1
公开(公告)日:2013-08-29
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 R
1
, R
2
, R
3
and R
4
are each as defined in the present application.
公开了一种公式I的化合物,其立体异构体,其顺反异构体,其互变异构体,或它们的混合物,或其药物可接受的盐,其溶剂化物或其前药,其中R1,R2,R3和R4各自如在本申请中定义。