The present invention relates to a tetracyclic fused heterocyclic compound represented by the following formula [I]
wherein each symbol is as defined in the specification, or a pharmaceutically acceptable a salt thereof, and a hepatitis C virus (HCV) polymerase inhibitor and a therapeutic agent for hepatitis C containing this compound. The compound of the present invention shows an anti-HCV activity based on the HCV polymerase inhibitory activity, and useful as an agent for the prophylaxis or treatment of hepatitis C.
本发明涉及一种四环融合
杂环化合物,其
化学式为[I],其中每个符号的定义如规范中所述,或其药学上可接受的盐,以及一种丙型肝炎病毒(HCV)聚合酶
抑制剂和治疗丙型肝炎的药物,本发明的化合物表现出基于HCV聚合酶抑制活性的抗HCV活性,因此可用作预防或治疗丙型肝炎的药物。