申请人:Ding Qingjie
公开号:US20110118283A1
公开(公告)日:2011-05-19
There are provided compounds of the formula
wherein R
1
, R
2
, R
3
, R
3
, R
4
, R
5
are as described herein
and enantiomers, pharmaceutically acceptable salts and esters thereof. The compounds are useful as anticancer agents.
提供了具有以下结构的化合物R1、R2、R3、R3、R4、R5如本文所述,以及它们的对映体、药用可接受的盐和酯。这些化合物可用作抗癌药物。