3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile 3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl] amino]-Propanenitrile 3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl]amino]-propanenitril Disperse Orange A press cake 3-[(4'-Nitroazobenzene-4-yl)(2-hydroxyethyl)amino]propiononitrile 3-[N-(2-Hydroxyethyl)-4-(4-nitrophenylazo)phenylamino]propanenitrile N-(2-Cyanoethyl)-N-(2-hydroxyethyl)-4-(p-nitrophenylazo)aniline Disperse Orange A