| Poly[(1,3-dioxo-1H-benz[de]isoquinoline-6,2(3H)-diyl)(2-nitro-1,4-phenylene)[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene](3-nitro-1,4-phenylene)(1,3-dioxo-1H-benz[de]isoquinoline-2,6(3H)-diyl)carbonyl-1,4-phenylene[2,2,2-trifluoro-1-(trifluoromethyl)eth |
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