2,2'-((4-((2,6-Dibromo-4-nitrophenyl)azo)phenyl)imino)bisethyl diacetate 55619-18-6 EINECS 259-725-8 Ethanol, 2,2'-((4-((2,6-dibromo-4-nitrophenyl)azo)phenyl)imino)bis-, diacetate (ester)