[EN] 3-ALKYL-PIPERAZINE DERIVATIVES AND USES THEREOF<br/>[FR] DÉRIVÉS DE 3-ALKYL-PIPÉRAZINE ET LEURS UTILISATIONS
                        
                            
                                申请人:HOFFMANN LA ROCHE
                            
                            
                                公开号:WO2009101018A2
                            
                            
                                公开(公告)日:2009-08-20
                            
                            Compounds of the Formula (I) or pharmaceutically acceptable salts thereof, wherein Ar, R1, R2, R3 and R4 are as defined herein. Also provided are pharmaceutical compositions, methods of using, and methods of preparing the compounds.