| Poly[(1,3-dioxo-1H-benz[de]isoquinoline-6,2(3H)-diyl)(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)oxy-1,4-phenylene(1-methylethylidene)-1,4-phenyleneoxy(1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)(1,3-dioxo-1H-benz[de]isoquinoline-2,6(3H)-diyl)oxy-1,4-ph |
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