1,4, Benzenedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 1,2-ethanediol, 4,4'-methylenebis(benzeneamine), methylenebutanedioic acid polymer 1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 1,2-ethanediol, 4,4'-methylenebis(benzenamine) and methylenebutanedioic acid 69011-02-5