N-Cyanoethyl-N-acetoxyethyl-4-[(2-hydroxyl-4-nitrophenyl)azo]-m-toluidine

2-[(2-cyanoethyl)[4-[(2-hydroxy-4-nitrophenyl)azo]-m-tolyl]amino]ethyl acetate

3-[(2-Acetoxyethyl)[4-[(2-hydroxy-4-nitrophenyl)azo]-3-methylphenyl]amino]propanenitrile

3-[[2-(acetyloxy)ethyl][4-[(2-hydroxy-4-nitrophenyl)azo]-3-methylphenyl] amino]-Propanenitrile