| 摘要 |
The object of the present invention is to provide a compound useful for the prevention and treatment of viral infectious diseases, and particularly liver diseases caused by HCV infection due to its having a high degree of replication inhibitory activity against HCV, its production method, an intermediate compound useful for its production and a pharmaceutical composition containing these compounds, and the present invention relates to a compound represented by the formula (I): (wherein A represents -(CH<SUB>2</SUB>)<SUB>n</SUB>-, etc.; B represents -(C-O)-, etc.; D represents -(CH<SUB>2</SUB>)<SUB>m</SUB>-R', etc.; E represents a hydrogen atom, etc.; G represents -(CH<SUB>2</SUB>)<SUB>p</SUB>-J, etc.; bond Q represents a single bond or double bond; and R<SUB>1</SUB>, R<SUB>2 </SUB>and R<SUB>3 </SUB>may be the same or different and each represent a hydrogen atom, etc.), a prodrug thereof or a pharmaceutically acceptable salt thereof.
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