1,3-Benzenedicarboxylic acid, 1,4-benzenedicarboxylic acid, 1,2-ethanediol, 2,2'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis(ethanol) polymer 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,2-ethanediol and 2,2'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis(ethanol) 41259-36-3