| 摘要 |
<p>Compounds represented by formula (I) : or pharmaceutically acceptable salts and solvates thereof, wherein R<sub>1</sub>, X, Y, Y<sup>1</sup>, and Z are as defined herein, are useful for treating flavivi????dae viral infections Said viral infection is Hepatitis C virus (HCV), bovme viral diarrhea virus (BVDV), hog cholera virus, dengue fever virus, Japanese encephalitis virus or yellow fever virus.</p> |
