5-(1,3-dioxo2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione;5-(1,3-dioxoisobenzofuran-5-carbonyl)isobenzofuran-1,3-dione;5-[(1,3-dioxo-5-isobenzofuranyl)-oxomethyl]isobenzofuran-1,3-dione;5-(1,3-diketoisobenzofuran-5-carbonyl)isobenzofuran-1,3-quinone;5-[(1,3-dioxo-2-benzofuran-5-yl)carbonyl]-2-benzofuran-1,3-dione;2421-28-5;101505-15-1;160903-84-4;163915-23-9;174612-63-6;55206-66-1;64308-15-2;65929-27-3;68593-66-8;86442-22-0;262463_ALDRICH;4,4'-Diphthalic anhydride ketone;B9750_ALDRICH;5,5'-carbonylbis(2-benzofuran-1,3-dione);12757_FLUKA;4,4&#8242;-Carbonyldiphthalic anhydride;Benzophenone-3,3&#8242;,4,4&#8242;-tetracarboxylic dianhydride;1,3-Isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Benzophenonetetracarboxylic dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;4,4'-Carbonylbis(phthalic anhydride);4,4'-Carbonyldiphthalic anhydride;ST5308178;Benzophenonetetracarboxylic acid anhydride;Benzophenonetetracarboxylic acid dianhydride;Benzophenonetetracarboxylic anhydride;Benzophenonetetracarboxylic dianhydride;NSC78480;Phthalic anhydride, 4,4'-carbonyldi-;Benzophenone-3,3':4,4'-tetracarboxylic dianhydride;EINECS 219-348-1;NSC 78480;Phthalic anhydride, 4,4'-carbonyldi- (8CI)
5-(1,3-dioxo2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione