Synonyms: 2-Naphthalenesulfonic acid, 3-(2-(4-(2-(2,4-dimethyl-6-sulfophenyl)diazenyl)-2-methoxy-5-methylphenyl)diazenyl)-4-hydroxy-7-(phenylamino)-, sodium salt, compd. with 2,2',2''-nitrilotris(ethanol) (1:?:?);2-Naphthalenesulfonic acid, 3-((4-((2,4-dimethyl-6-sulfophenyl)azo)-2-methoxy-5-methylphenyl)azo)-4-hydroxy-7-(phenylamino)-, sodium salt, compd. with 2,2',2''-nitrilotris(ethanol);7-Anilino-4-hydroxy-3-((6-methoxy-4-((6-sulpho-2,4-xylyl)azo)-m-tolyl)azo)naphthalene-2-sulphonic acid, sodium salt, compound with 2,2',2''-nitrilotriethanol;sodium (3E)-3-(2-{4-[(E)-(2,4-dimethyl-6-sulfonatophenyl)diazenyl]-2-methoxy-5-methylphenyl}hydrazinylidene)-4-oxo-7-(phenylamino)-3,4-dihydronaphthalene-2-sulfonate - 2,2',2''-nitrilotriethanol (2:1:1)