and the pharmaceutically acceptable salts and esters thereof X, R
1
, R
2
, Y
1
and Y
2
are described herein inhibit the interaction of MDM2 protein with a p53-like peptide and hence have anti proliferative activity.
在这里描述的X、R1、R2、Y1和Y2的药用盐和酯抑制M
DM2蛋白与类p53肽的相互作用,因此具有抗增殖活性。