| 摘要 |
<p>Compounds of formula (I):wherein R1 is hydroxyl or sulfonamide derivative; R2 is t-butyl or -CH2-C(CH3)3 or -CH2-cyclopentyl; R3 is t-butyl or cyclohexil and R4 is cyclobutyl, cyclopentyl or cyclohexyl; or a pharmaceutically acceptable salt thereof, are described as useful as inhibitor of the HCV NS3 protease. </p> |
