申请人:JAPAN ENERGY CORPORATION
                            
                            
                                公开号:EP0427166A1
                            
                            
                                公开(公告)日:1991-05-15
                            
                            
This invention provides novel ester compounds represented by the following general formula (I):
 (wherein R¹ and R² are alkyl groups and may be the same or not, A and B are selected from a single bond and -COO-, X is selected from
 optically active bodies thereof and liquid crystal compositions containing at least one of these compounds.  
                            本发明提供了由以下通式(I)表示的新型酯化合物:
 (其中 R¹ 和 R² 为烷基,可以相同,也可以不相同,A 和 B 选自单键和-COO-,X 选自
 其光学活性体以及含有至少一种此类化合物的液晶组合物。