1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-6-(phenylazo)-3-((2-sulfo-4-((4-((2,4,6-trihydroxyphenyl)azo)benzoyl)amino)phenyl)azo)- 107321-37-9 4-Amino-5-hydroxy-6-(phenylazo)-3-((2-sulfo-4-((4-((2,4,6-trihydroxyphenyl)azo)benzoyl)amino)phenyl)azo)-1-naphthalenesulfonic acid