| Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)-1,4-phenylenemethylene-1,4-phenylene(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)carbonylimino(2-methyl-1,4-phenylene)azo-1,4-phenylenemethylene-1,4-phenyleneazo(3-methyl-1,4-phenylene)iminocarbonyl] |
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