The present invention relates to a compound of the formula 1
wherein R
1
-R
4
and Ar are as defined herein. Such novel pyrimidine derivatives are useful in the treatment of abnormal cell growth, such as cancer, in mammals. This invention also relates to a method of using such compounds in the treatment of abnormal cell growth in mammals, especially humans, and to pharmaceutical compositions containing such compounds.
本发明涉及一种式子为1的化合物,其中R1-R4和Ar的定义如本文所述。这种新型
嘧啶衍
生物在哺乳动物中治疗异常细胞生长,如癌症方面具有用处。本发明还涉及一种使用这种化合物治疗哺乳动物,特别是人类异常细胞生长的方法,以及包含这种化合物的制药组合物。