Compounds having the formula I wherein R
1
, R
2
and R
3
are as defined herein are Hepatitis C virus NS5
b
polymerase inhibitors. Also disclosed are compositions and methods for treating an HCV infection and inhibiting HCV replication.
具有I式的化合物,其中R1、R2和R3如此定义,是丙型肝炎病毒NS5b聚合酶
抑制剂。还揭示了治疗HCV感染和抑制HCV复制的组合物和方法。