| Poly[(1,3-dihydro-1,3-dioxo-2H-isoindole-2,5-diyl)[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene](1,3-dihydro-1,3-dioxo-2H-isoindole-5,2-diyl)[2,6-bis(1-methylethyl)-1,4-phenylene](2,2,2-trifluoro-1-phenylethylidene)[3,5-bis(1-methylethyl)-1,4-phenylene]] |
|
