| abstract |
Disclosed are spiro compounds of formula (I), or stereomers, geometric isomers, tautomers, nitrogen oxides, hydrates, solvates, metabolites, pharmaceutically acceptable salts or prodrugs thereof. The compounds can be used to treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore disclosed are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions in the treatment of HCV infection or hepatitis C disease. |