FUSED-RING COMPOUNDS AND USE THEREOF AS DRUGS

摘要

Fused-ring compounds represented by general formula [I] or the like, or pharmaceutically acceptable salts thereof; and hepatitis C remedies containing the compounds or salts: [I] (wherein each symbol is as defined in the description). The above compounds and salts exhibit an anti-HCV (hepatitis C virus) activity by virtue of their inhibitory activity against HCV polymerase, thus being useful as therapeutic or preventive agents for hepatitis C.