Synonyms: 25038-81-7;80941-25-9;1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone, polymer with 4,4'-oxybis(benzenamine);1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, polymer with 4,4'-oxybis[benzenamine];AC1L51HU;Pyromellitic dianhydride, 4,4'-oxydianiline polymer;40087A;4-(4-aminophenoxy)aniline; furo[3,4-f][2]benzofuran-1,3,5,7-tetrone;4-(4-aminophenoxy)aniline; furo[3,4-f][2]benzoxole-1,3,5,7-tetrone;106359-24-4;113285-50-0;121088-52-6;12656-76-7;158037-74-2;192225-42-6;220674-48-6;367523-09-9;37191-50-7;37890-36-1;79121-88-3;96157-46-9