Synonyms: AC1O58YS;1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, polymer with 1,3-benzenediamine and 1,3-isobenzofurandione;61594-31-8;74747-10-7;benzene-1,3-diamine; 2-benzofuran-1,3-dione; 5-[4-[2-[4-[(1,3-dioxo-2-benzofuran-5-yl)oxy]phenyl]propan-2-yl]phenoxy]-2-benzofuran-1,3-dione