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1,4-Benzenedicarboxylic acid, 2,5-dimethoxy-, 1,4-dihydrazide, polymer with 4,4′,4′′-(1,3,5-triazine-2,4,6-triyl)tris[benzaldehyde]
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Benzaldehyde, 4,4′,4′′,4′′′-(1,3,6,8-pyrenetetrayl)tetrakis-, polymer with 4,4′-diamino[1,1′-biphenyl]-3,3′-diol
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