Compounds of formula I
in free or salt form, wherein R
1
, R
2
, R
3
and R
4
have the meanings as indicated in the specification, are useful for treating conditions that are mediated by mediated by phosphatidylinositol 3-kinase.
Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
公式I的化合物以自由或盐形式存在,其中R1、R2、R3和R4的含义如规范中所示,可用于治疗由
磷脂酰肌醇3-激酶介导的疾病。还描述了含有这些化合物的制药组合物以及制备这些化合物的过程。