67905-66-2 Acetamide, N-(2-((2-bromo-4,6-dinitrophenyl)azo)-5-((2-cyanoethyl)ethylamino)-4-ethoxyphenyl)- N-Ethyl-N-(2-cyanoethyl)-4-((6-bromo-2,4-dinitrophenyl)azo)-3-actamido-6-ethoxyaniline