trisodium 5-[[4-[[[4-[[8-amino-1-hydroxy-7-[(4-nitrophenyl)azo]-3,6-disulphonato-2-naphtyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate

Benzoic acid, 5-4-4-8-amino-1-hydroxy-7-(4-nitrophenyl)azo-3,6-disulfo-2-naphthalenylazophenylaminocarbonylphenylazo-2-hydroxy-, trisodium salt

5-[[4-[[[4-[[8-Amino-1-hydroxy-7-[(4-nitrophenyl)azo]-3,6-disulfo-2-naphthalenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-2-hydroxybenzoic acid trisodium salt