专利号:US-9493461-B2 优先权日:2013-02-07 标 题 :Tetracyclic heterocycle compounds and methods of use thereof for the treatment of hepatitis C 发明人:DAI XING; LIU HONG; PALANI ANANDAN; HE SHUWEN; LAI ZHONG; NARGUND RAVI; MARCANTONIO KAREN; XIAO DONG; BROCKUNIER LINDA L; ZORN NICOLAS; DANG QUN; PENG XUANJIA; LI PENG 权利人:MERCK SHARP & DOHME 摘要:The present invention relates to compounds of formula I that are useful as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.