The present invention relates to compounds of formula I
or a pharmaceutically acceptable salts thereof; wherein the variables R1—R5, Ar1, and X are as defined herein. The compounds are capable of modulating tyrosine kinase signal transduction in order to regulate, modulate and/or inhibit abnormal cell proliferation.
本发明涉及公式I的化合物或其药学上可接受的盐;其中变量R1-R5,Ar1和X的定义如本文所述。这些化合物能够调节
酪氨酸激酶信号传导,以调节、调制和/或抑制异常细胞增殖。