申请人:Desrosiers Jean-Nicolas
                            
                            
                                公开号:US20150038731A1
                            
                            
                                公开(公告)日:2015-02-05
                            
                            The present invention relates to a process of making a compound of formula (XII) or (XIIA): wherein R
1
, R
2
, R
4
and X are as defined herein.
                            本发明涉及一种制备式(XII)或(XIIA)化合物的方法:其中R1、R2、R4和X的定义如本文所述。