| abstract |
The present invention provides methods and compositions for treatment of a virus infection, especially a HCV infection and a coinfection of a HCV and other virus such as HBV and/or HIV. In one embodiment, the present invention provides a compound having a formula (I) or pharmaceutically acceptable salts, ester, stereoisomers, tautomer, solvate, prodrug or mix thereof, and use thereof in the treatment of the virus infection. |