Derivatives of 2-(2-oxo-ethylidene)-imidazolidin-4-one and their use as
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.