4-AMINO-5-HYDROXY-3-((4-((4-((4-HYDROXYPHENYL)AZO)PHENYL)AMINO)-3-SULFOPHENYL)AZO)-6-(PHENYLAZO)NAPHTHALENE-2,7-DISULFONIC ACID
4-amino-5-hydroxy-3-((4-((4-((4-hydroxyphenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-6-(phenylazo)naphthalene-2,7-disulfonic acid