Einecs 282-080-9

2-[[3-[(3-Amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-5-nitrobenzenesulfonic acid

2-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-5-nitrobenzenesulphonic acid