trisodium 6-[(4-amino-2-hydroxyphenyl)azo]-3-[[4-[[4-[[7-[(4-amino-2-hydroxyphenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]-3-sulphonatophenyl]azo]-4-hydroxynaphthalene-2-sulphonate

2-Naphthalenesulfonic acid, 6-(2-(4-amino-2-hydroxyphenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(4-amino-2-hydroxyphenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3), 2-Naphthalenesulfonic acid, 6-((4-amino-2-hydroxyphenyl)azo)-3-((4-((4-((7-((4-amino-2-hydroxyphenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, trisodium salt, Trisodium 6-((4-amino-2-hydroxyphenyl)azo)-3-((4-((4-((7-((4-amino-2-hydroxyphenyl)azo)-1-hydroxy-3-sulphonato-2-naphthyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-4-hydroxynaphthalene-2-sulphonate, trisodium (3Z)-6-[(2E)-2-(4-amino-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazinyl]-3-{2-[4-({4-[(2Z)-2-{7-[(2Z)-2-(4-amino-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazinyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]-2-sulfonatophenyl}amino)phenyl]hydrazinylidene}-4-oxo-3,4-dihydronaphthalene-2-sulfonate