| abstract |
PROBLEM TO BE SOLVED: To provide a novel hepatitis C virus (HCV) protease inhibitor compound, a method for treating HCV infection using them, and a method for producing such a compound. A compound represented by formula (I) or a pharmaceutically acceptable salt, ester or prodrug thereof. A compound of formula (I) which inhibits serine protease activity, in particular the activity of hepatitis C virus (HCV) NS3-NS4A protease. [Effect] The compound is a pharmaceutical composition comprising the aforementioned compound for administration to a subject who interferes with the life cycle of hepatitis C virus and is useful as an antiviral agent and suffers from HCV infection. It is used for the treatment of HCV infection in a subject by administering a pharmaceutical composition comprising. [Selection figure] None |