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