| Poly[[5,7-dihydro-3,5-dihydroxy-1,7-dioxo-3,5-bis(phenylmethyl)benzo[1,2-c:4,5-c']dipyrrole-2,6(1H,3H)-diyl]methylene-1,3-phenylenemethyleneiminocarbonyl(carboxyphenylene)[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene](carboxyphenylene)carbonyliminomethyl |
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