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