Compounds of Formula I:
in free or salt form, wherein R
a
, R
b
, R
2
, R
3
, R
4
and R
5
have the meanings as indicated in the specification, are useful for treating conditions that are 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Ra、Rb、R2、R3、R4和R5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和制备这些化合物的过程。