Compounds having the formula I wherein
wherein R1, R2, R3, R4, X1, X2, X3 and X4 and as defined herein are Hepatitis C virus NS5b polymerase inhibitors. Also disclosed are compositions and methods for treating an HCV infection and inhibiting HCV replication.
公式为I的化合物,其中R1,R2,R3,R4,X1,X2,X3和X4如本文所定义,是丙型肝炎病毒NS5b聚合酶
抑制剂。还披露了治疗HCV感染和抑制HCV复制的组合物和方法。