| Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)carbonylimino(2,6-dimethyl-1,4-phenylene)[[3-(trifluoromethyl)phenyl]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 |
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