CHEMICAL COMPOUNDS

摘要

Disclosed are compounds of Formula I, Formula II, and Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts. In another aspect, the present invention discloses pharmaceutical compositions comprising a compound of Formula I or a pharmaceutically acceptable salt thereof. In another aspect, the present invention discloses pharmaceutically acceptable salts of the compounds of Formula II or Formula III. In another aspect, the present invention discloses pharmaceutical compositions comprising a compound of Formula II or Formula III or a pharmaceutically acceptable salt thereof. In another aspect, the present invention discloses a method for treating a viral infection, for example infection with HCV, in a human, comprising administration of a pharmaceutical composition of the invention.