abstract |
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. |