| Poly[(1,3-dioxo-1H-benz[de]isoquinoline-6,2(3H)-diyl)(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)sulfonyl(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-phenylene-9H-fluoren-9-ylidene-1,4-phenyleneoxy] |
|
