[EN] 2'-CYANO SUBSTITUTED NUCLEOSIDE DERIVATIVES AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES<br/>[FR] DÉRIVÉS NUCLÉOSIDES À SUBSTITUTION 2'-CYANO ET LEURS PROCÉDÉS D'UTILISATION POUR TRAITEMENT DE MALADIES VIRALES
                        
                            
                                申请人:MERCK SHARP & DOHME
                            
                            
                                公开号:WO2012142093A2
                            
                            
                                公开(公告)日:2012-10-18
                            
                            The present invention relates to 2'-Cyano Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R1, R2 and R3are as defined herein. The present invention also relates to compositions comprising at least one 2'-Cyano Substituted Nucleoside Derivative, and methods of using the 2'-Cyano Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.