| 英文名称: | | 1,2,4,5-benzenetetracarboxylic acid, 1,4-dimethyl ester, polymer with 1,5-dimet | | hyl dihydrogen 1,2,4,5-benzenetetracarboxylate and 4,4'-[[2,2,2-trifluoro-1-(tr | | ifluoromethyl)ethylidene]bis(4,1-phenyleneoxy)]bis[benzenamine] | | 1,2,4,5-benzenetetracarboxylic acid, 1,4-dimethylester, polymer with 1,5-dimethyl dihydrogen1,2,4,5-benzenetetracarboxylate and |
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