5FUJIO A, MAYUMU Y. Imide derivatives, and their pro-duction and use:EP,0 314 098A2[ P]. 1987-10-26.
6FUJIO A, MAYUMU Y. Imide derivatives, and their pro-duction and use:EP,0 261 688[ P]. 1986-09-26.
7CHOI D S,KIM H,CHUN S H,et al. Norbornene mono-mer ,polynorbornene derivative, liquid crystal photoalign-ment film containing the same and liquid crystal displaycontaining the same:EP,0 047 481A1 [ P]. 2010-02-25.
8U.S. Food and Drug Administration. FDA approved drugproducts. [2013 -03 -05]. http://www.ac cessdata.fda.gov/scriptWcdeiydrugsatfda/index.fm?fuseaction=Reports.ReportsMenu.