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.
本发明涉及新颖的融合四环衍
生物,其具有式(I)结构:以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'如本文所定义。本发明还涉及包含至少一种融合四环衍
生物的组合物,以及使用这些融合四环衍
生物治疗或预防患者中HCV感染的方法。