The present invention provides compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.本發明提供一種用於治療C型肝炎病毒(HCV)感染之化合物、組合物及方法。本發明亦揭示含有此等化合物之醫藥組合物及使用此等化合物治療HCV感染之方法。