申请人:Pfizer Inc.
公开号:US06071935A1
公开(公告)日:2000-06-06
The present invention relates to compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formula I and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering the compounds of formula I to said mammal.
本发明涉及以下式的化合物##STR1##其中R.sub.1、R.sub.2、R.sub.3和R.sub.4如本文所定义。该发明还涉及含有式I化合物的药物组合物,以及通过向哺乳动物施用式I化合物来抑制异常细胞生长,包括癌症的方法。