| Poly[(1,3,6,8-tetrahydro-1,3,6,8-tetraoxobenzo[lmn][3,8]phenanthroline-2,7-diyl)-1,4-phenylene(3-phenyl-2,7-quinoxalinediyl)oxy-1,4-phenyleneiminocarbonyl[5-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1,3-phenylene]carbonylimino-1,4-phenyleneoxy(3-phenyl-7,2 |
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