4-AMINO-3-((4-(((4-((2,4-DIAMINOPHENYL)AZO)PHENYL)AMINO)CARBONYL)PHENYL)AZO)-5-HYDROXY-6-(PHENYLAZO)NAPHTHALENE-2,7-DISULPHONIC ACID
4-amino-3-((4-(((4-((2,4-diaminophenyl)azo)phenyl)amino)carbonyl)phenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid