1,4-Benzenedicarboxaldehyde, 2,3-dihydroxy-, polymer with 4,4′,4′′-(1,3,5-triazine-2,4,6-triyl)tris[benzenamine]
1,4-Benzenedicarboxaldehyde, 2,3,5,6-tetrafluoro-, polymer with 5′-(4-aminophenyl)[1,1′:3′,1′′-terphenyl]-4,4′′-diamine