2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonic acid 2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfo-phenyl)-3-oxo-isobenzofuran-1-yl]benzenesulfonic acid 2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfophenyl)-3-oxo-1-isobenzofuranyl]benzenesulfonic acid 2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfo-phenyl)-3-keto-isobenzofuran-1-yl]benzenesulfonic acid 2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfo-phenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonic acid 3,3'-(4,5,6,7-Tetrabromo-3-oxo-1(3H)-isobenzofuranylidene)bis(6-hydroxybenzenesulphonic) acid C11363 Benzenesulfonic acid, 3,3'-(4,5,6,7-tetrabromo-3-oxo-1(3H)-isobenzofuranylidene)bis(6-hydroxy- EINECS 206-047-5 NCGC00159391-02