THIOPHENE- SUB STITUED TETRACYCLIC COMPOUNDS AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES

摘要

Disclosed are novel Thiophene-Subsituted Tetracyclic Compounds of Formula (I). And pharmaceutically acceptable salts thereof, wherein A, A', R2, R3, R4 and R5 are as defined herein. The compositions comprising at least one Thiophene-Subsituted Tetracyclic Compounds, and methods of using the Thiophene-Subsituted Tetracyclic Compounds for treating or preventing HCV infection in a patient are also disclosed.