7-Amino-4-hydroxy-3-((3-methyl-4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid, 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-(2-(3-methyl-4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl), 7-Amino-4-hydroxy-3-[3-methyl-4-(4-sulfo-phenylazo)-phenylazo]-naphthalin-2-sulfonsaeure, 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-((3-methyl-4-((4-sulfophenyl)azo)phenyl)azo), 7-amino-4-hydroxy-3-[3-methyl-4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid, EINECS 253-244-7