3-(Ethyl(3-methyl-4-((2-(methylsulfonyl)-4-nitrophenyl)azo)phenyl)amino)propanenitrile 3-(Ethyl(3-methyl-4-((2-(methylsulphonyl)-4-nitrophenyl)azo)phenyl)amino)propiononitrile 67906-60-9 EINECS 267-728-0 Propanenitrile, 3-(ethyl(3-methyl-4-((2-(methylsulfonyl)-4-nitrophenyl)azo)phenyl)amino)-