The present invention relates to novel Fused Tetracycle Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, A′, B, G, R
1
, 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.
本发明涉及公式(I)的新型融合四环衍
生物及其药学上可接受的盐,其中A、A'、B、G、R1、U、V、W、W'、X、X'、Y和Y'的定义如本文所述。本发明还涉及包含至少一种融合四环衍
生物的组合物,并且使用所述融合四环衍
生物治疗或预防患者的HCV感染的方法。