1,3-Benzenedicarbonyl dichloride, polymer with 1,4-benzenedicarbonyl dichloride and 4,4'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis(benzenamine) 2,2-Bis(4-(4-aminophenyloxy)phenyl)propane, terephthaloyl chloride,isophthaloyl chloride polymer 62532-20-1