Benzenesulfonic acid, 2-(phenylamino)-5-((4-((2-hydroxy-6-sulfonaphth-1-yl)azo)naphth-1-yl)azo)-, disodium salt;Disodium 6-hydroxy-5-((4-((4-(phenylamino)-3-sulphonatophenyl)azo)naphthyl)azo)naphthalene-2-sulphonate;disodium (5Z)-5-[[4-(4-anilino-3-sulfonato-phenyl)diazenylnaphthalen-1-yl]hydrazinylidene]-6-oxo-naphthalene-2-sulfonate;2-Naphthalenesulfonic acid,6-hydroxy-5-[[4-[[4-(phenylamino)-3- sulfophenyl]azo]-1-naphthalenyl]azo]-,disodium salt;Kayanol Milling Black VLG;Supranol Milling Black VLG;C.I. Acid Black 26;2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-((4-(phenylamino)-3-sulfophenyl)azo)-1-naphthalenyl)azo)-, disodium salt;
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