28818-24-8 EINECS 249-254-6 Isopropyl 2-((3,5-dibromo-4-hydroxyphenyl)(3,5-dibromo-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)benzoate o-Toluic acid, alpha-(3,5-dibromo-4-hydroxyphenyl)-alpha-(3,5-dibromo-4-oxo-2,5-cyclohexadien-1-ylidene)-, isopropyl ester