Einecs 289-328-5

2,2'[[4-[[3-cyano-5-[(4-nitrophenyl)azo]-2-thienyl]azo]phenyl]imino]diethyl diacetate

2-[[4-[Bis[2-(acetyloxy)ethyl]amino]phenyl]azo]-5-[(4-nitrophenyl)azo]-3-thiophenecarbonitrile