Product Name:tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate
IUPAC Name:tetrasodium 6-amino-4-hydroxy-3-(2-{7-sulfonato-4-[2-(4-sulfonatophenyl)diazen-1-yl]naphthalen-1-yl}diazen-1-yl)naphthalene-2,7-disulfonate