163149-36-8 | Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)oxy(1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)phenyleneoxyphenylene],a-[3-[4-[4-(phenylethynyl)benzoyl]phenoxy]phenyl]-w-[5-[[2,3-dihydro-1,3-dioxo-2-[3-[4-[4-(phenylethynyl)benzoyl]phenoxy]phenyl]-1H-isoindol-5-yl]oxy]-1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl]-(9CI) | (C28H14 N2 O6)n C70 H40 N2 O9 |