abstract |
Provided are compounds of formula I and pharmaceutically acceptable salts and esters thereof. The provided compounds, compositions and methods are useful for the treatment of Flaviviridae virus infection, particularly hepatitis C infection. In one aspect of the invention, there is provided a pharmaceutical composition comprising a compound of formula I or a pharmaceutically acceptable salt or ester thereof and one or more pharmaceutically acceptable carriers or additives. In another aspect, there is provided the use of a compound of formula I for the manufacture of a medicament for the treatment of Flaviviridae virus infection. |