| Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene](1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)[6-[[(1,1-dimethylethoxy)carbonyl]oxy]-1,3-phenylene][2,2,2-trifluoro-1-(trifluoromethyl)ethylidene][4-[[(1,1-dim |
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