| Poly[oxy-1,4-phenylene[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]-1,4-phenylenecarbonylimino-1,3-phenylene[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]-1,3-phenyleneiminocarbonyl-1,4-phenylene[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]-1,4-pheny |
|
