申请人:Howard Philip Wilson
                            
                            
                                公开号:US08829184B2
                            
                            
                                公开(公告)日:2014-09-09
                            
                            
A compound of formula (I): which is substantially free of any of the corresponding compound of formula (IB): methods of making such compounds, and the further transformation of such compounds.
                            化合物I的公式:基本上不含有任何公式IB对应化合物的化合物,制备这种化合物的方法以及这种化合物的进一步转化。