申请人:Cheng Hengmiao
公开号:US20070265272A1
公开(公告)日:2007-11-15
The invention relates to compounds of the formula I
or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
3
and R
4
are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formula I and to methods of treating hyperproliferative disorders in a mammal by administering the compounds of formula I.
该发明涉及公式I的化合物或其药用盐,其中R1、R2、R3和R4如本文所定义。该发明还涉及含有公式I化合物的药物组合物,以及通过给哺乳动物施用公式I化合物来治疗过度增殖性疾病的方法。