英文名称:1,3-Benzenedicarboxylic acid,polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 1,1’-methylenebis(isocyanatobenzene); 1,3-Benzenedicarboxylic acid,polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 1,1’-methylenebis(isocyanatobenzene); Polyesterimide resin