申请人:Gaiba Alessandra
                            
                            
                                公开号:US20100305166A1
                            
                            
                                公开(公告)日:2010-12-02
                            
                            A compound of formula (I) or salts thereof,
wherein R
1
, R
2
, R
3
, R
4
, n and X are as defined in the specification; a process for preparing such compounds, a pharmaceutical composition comprising such compounds; and the use of such compounds in medicine.
                            一种式子为(I)的化合物或其盐,其中R1、R2、R3、R4、n和X如说明书中所定义;制备这种化合物的方法;包括这种化合物的药物组合物;以及这种化合物在医学上的应用。