Synonyms: 2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((4-(6-methyl-2-benzothiazolyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((4-methylphenyl)azo)-, monosulfo deriv.;Diphenyl Brill Pink 3B;5-((4-Chloro-6-(4-(6-methylbenzothiazol-2-yl)anilino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-(p-tolylazo)naphthalene-2,7-disulphonic acid, monosulpho derivative;(6E)-4-[(4-chloro-6-{[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]amino}-1,3,5-triazin-2-yl)amino]-6-[2-(4-methylphenyl)hydrazinylidene]-5-oxo-7-[(sulfooxy)sulfonyl]-5,6-dihydronaphthalene-2-sulfonic acid