| Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)carbonylimino(2,6-dimethyl-1,4-phenylene)methylene(3,5-dimethyl-1,4-phenylene)iminocarbonyl(1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)[3-(trifluoromethyl)-1,4-phenylene]oxy-1,4-phenyleneoxy[2-(trifluorom |
|
