Derivados de nucleósidos 2-sustituidos y métodos de uso de los mismos para el tratamiento de enfermedades virales

摘要

The present invention relates to 2′-Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, B, X, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising at least one 2′-Substituted Nucleoside Derivative, and methods of using the 2′-Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.