5'-SUBSTITUTED NUCLEOSIDE ANALOGS AND METHODS OF USE THEREOF FOR THE TREATMENT OF VIRAL DISEASES
                        
                            
                                申请人:Verma Vishal A.
                            
                            
                                公开号:US20140221304A1
                            
                            
                                公开(公告)日:2014-08-07
                            
                            The present invention relates to 5′-Substituted Nucleoside Analogs of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, Z, R
1
, R
2
, R
3
and R
3′
are as defined herein. The present invention also relates to compositions comprising at least one 5′-Substituted Nucleoside Analog, and methods of using the 5′-Substituted Nucleoside Analogs for treating or preventing HCV infection in a patient.