The present invention relates to 2′-Azido Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R
1
, R
2
and R
3
are as defined herein. The present invention also relates to compositions comprising at least one 2′-Azido Substituted Nucleoside Derivative, and methods of using the 2′-Azido Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
本发明涉及式(I)的2'-
叠氮基取代核苷衍
生物及其药学上可接受的盐,其中B、X、R1、R2和R3如本文所定义。本发明还涉及包含至少一种2'-
叠氮基取代核苷衍
生物的组合物,以及使用这些2'-
叠氮基取代核苷衍
生物治疗或预防患者HCV感染的方法。