Novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities are provided. A tricyclic heterocyclic compound represented by the formula (Ia): wherein the rings Aa and Ba, Xa, Ya, R1a, R2a, R3a, L1a, L2a, L3a and na are as defined in the description.
本发明提供了具有JAK抑制活性的新型
三环嘧啶化合物和
三环吡啶化合物。其中一种
三环杂环化合物的
化学式为(Ia):其中环Aa和Ba,Xa,Ya,R1a,R2a,R3a,L1a,
L2a,L3a和na的定义如描述中所述。