Synonyms: tetrasodium 2-[[8-[[4-chloro-6-[[4-(6-methyl-7-sulphonatobenzothiazol-2-yl)phenyl]amino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]benzoate;2-[[8-[[4-Chloro-6-[[4-(6-methyl-7-sulfo-2-benzothiazolyl)phenyl]amino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]benzoicacid, tetrasodium salt;benzoic acid, 2-[[8-[[4-chloro-6-[[4-(6-methyl-7-sulfo-2-benzothiazolyl)phenyl];Benzoic acid, 2-[[8-[[4-chloro-6-[[4-(6-methyl-7-sulfo-2-benzothiazolyl)phenyl]amino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-, tetrasodium salt;2-[8-[4-Chloro-6-[4-[6-methyl-7-(sodiosulfo)benzothiazol-2-yl]phenylamino]-1,3,5-triazin-2-ylamino]-1-hydroxy-3,6-di(sodiosulfo)-2-naphthalenylazo]benzoic acid sodium salt