PROBLEM TO BE SOLVED: To provide an effective anti HCV drug having a new chemical structure with less side effects and inexpensive.SOLUTION: The anti HCV drug contains a compound represented by formula I [wherein, Ar is a substituted or unsubstituted aryl group].COPYRIGHT: (C)2013,JPO&INPIT【課題】副作用が少なく安価である、新規な化学構造を有する有効な抗HCV薬の提供。【解決手段】式I[式中、Arは、置換又は無置換のアリール基である]で表される化合物を含有する抗HCV薬。【選択図】図5