3-((2-(Acetyloxy)ethyl)(4-((4-nitrophenyl)azo)phenyl)amino)propiononitrile 61968-38-5 68391-42-4 Aniline, 4-(4-nitrophenylazo)-N-beta-cyanoethyl-N-beta-acetoxyethyl- EINECS 269-950-3 Propanenitrile, 3-((2-(acetyloxy)ethyl)(4-((4-nitrophenyl)azo)phenyl)amino)-