Fused tricyclic compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed, wherein X1, X2, X3, X4, Y1, Y2, M1, M2, Ra, Rb, R1, R2 and R6 are as defined in the description. Compositions comprising at least one fused tricyclic compound and methods of using the fused tricyclic compounds for treating or preventing HCV infection in a patient are also disclosed.
公开了公式(I)的融合
三环化合物及其药用盐,其中X1、X2、X3、X4、Y1、Y2、M1、M2、Ra、Rb、R1、R2和R6的定义如描述中所述。还公开了包含至少一种融合
三环化合物的组合物以及使用这些融合
三环化合物治疗或预防患者HCV感染的方法。