The present invention relates to formula (I) compounds for being used as Hepatitis C Virus (HCV) NS5A inhibitor, the synthesis of such compound and such compound are inhibiting HCVNS5A activity, treat or prevent HCV infection and are inhibiting HCV virus duplication and/or the aborning application of virus in the system of base what cell.本發明涉及用作丙型肝炎病毒(HCV)NS5A抑制劑的式(I)化合物,此類化合物的合成,以及此類化合物在抑制HCVNS5A活性、治療或預防HCV感染、以及在基於細胞的系統中抑制HCV病毒複製和/或病毒産生中的應用。