The invention provides certain thiazole-substituted aminoheteroaryl compounds of the Formula (I) or pharmaceutically acceptable salts thereof, wherein X1, X2, X3, X4, Y1, Y2, Y3, Y4, and R4 are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
该发明提供了某些
噻唑取代的
氨基杂环
芳烃化合物的
化学式(I)或其药学上可接受的盐,其中X1、X2、X3、X4、Y1、Y2、Y3、Y4和R4如本文所定义。该发明还提供了包含这些化合物的药物组合物,以及利用这些化合物治疗由脾
酪氨酸激酶(Syk)介导的疾病或症状的方法。