FUSED TETRACYCLE DERIVATIVES AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES

摘要

The present invention relates to novel Fused Tetracycle Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, A′, B, G, R1, U, V, W, W′, X, X′, Y and Y′ are as defined herein. The present invention also relates to compositions comprising at least one Fused Tetracycle Derivative, and methods of using the Fused Tetracycle Derivatives for treating or preventing HCV infection in a patient.