3-((4-((2,6-Dibromo-4-nitrophenyl)azo)phenyl)ethylamino)propiononitrile, 3-[[4-[(2,6-Dibromo-4-nitrophenyl)azo]phenyl]ethylamino]propiononitrile, Propanenitrile, 3-((4-((2,6-dibromo-4-nitrophenyl)azo)phenyl)ethylamino)-, Propanenitrile, 3-[[4-[(2,6-dibromo-4-nitrophenyl)azo]phenyl]ethylamino]-, 3-[{4-[(E)-(2,6-Dibromo-4-nitrophenyl)diazenyl]phenyl}(ethyl)amino]propanenitrile