2-[[6-[[4-[[6-(Benzoylamino)-1-hydroxy-3-sulfo-2-naphtyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt

trisodium 2-[[6-[[4-[[6-(benzoylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoate

Benzoic acid, 2-[[6-[[4-[[6-(benzoylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-, trisodium salt