3-((4-((2-Chloro-4-nitrophenyl)azo)phenyl)(2-(2-cyanoethoxy)ethyl)amino)propiononitrile 58104-49-7 69070-69-5 EINECS 261-127-7 Propanenitrile, 3-((4-((2-chloro-4-nitrophenyl)azo)phenyl)(2-(2-cyanoethoxy)ethyl)amino)-