Synonyms: Terephthalic acid, polymer with benzene-1,2,4-tricarboxylic anhydride, ethane-1,2-diol,4,4'-methylenedianiline and glycerol;Terephthalic acid,polymer with benzene-1,2,4-tricarboxylic anhydride,ethane-1,2-diol,4,4'-methylenedianiline and glycerol