申请人:Hoffmann-La Roche, Inc.
                            
                            
                                公开号:US20140121231A1
                            
                            
                                公开(公告)日:2014-05-01
                            
                            There are provided compounds of the formula
or a pharmaceutically acceptable salt thereof wherein X, M, Y, R
1
and R
2
are as defined herein.
The compounds have activity as anticancer agents.
                            提供以下化合物的公式或其药学上可接受的盐,其中X,M,Y,R1和R2的定义如下。这些化合物具有抗癌活性。