Also Called: Tetrasodium;(3E)-3-[[4-[4-[[2,6-diamino-3-methyl-5-[[(7Z)-8-oxo-3,6-disulfonato-7-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalen-2-yl]diazenyl]phenyl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate;C.I. Direct brown 31, tetrasodium salt;Tetrasodium 5-[[4'-[[2,6-diamino-3-[[8-hydroxy-3,6-disulphonato-7-[(4-sulphonato-1-naphthyl)azo]-2-naphthyl]azo]-5-tolyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate;Benzoic acid, 5-[2-[4'-[2-[2,6-diamino-3-[2-[8-hydroxy-3,6-disulfo-7-[2-(4-sulfo-1-naphthalenyl)diazenyl]-2-naphthalenyl]diazenyl]-5-methylphenyl]diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:4);C.I. Direct brown 31;tetrasodium salt;C.I. Direct Brown 31, C.I.35660;C.I.35660;BENZOIC ACID, 5-[[4'-[[2,6-DIAMINO-3-[[8-HYDROXY-3,6-DISULFO-7-[(4-SULFO-1-NAPHTHALENYL)AZO]-2-NAPHTHALENYL]AZO]-5-METHYLPHENYL]AZO] [1,1'-BIPHENYL]-4-YL]AZO]-2-HYDROXY-, TETRASODIUM SALT;Benzoic acid, 5-[[4'-[[2,6-diamino-3-[[8-hydroxy-3,6-disulfo-7-[(4-sulfo-1-naphthalenyl)azo]-2-naphthlenyl]azo]-5-methylphenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, tetrasodium salt;BENZOIC ACID, 5-[[4'-[[2,6-DIAMINO-3-[[8-HYDROXY-3,6-DISULFO-7-[(4-SULFO-1-NAPHTHALENYL)AZO]-2-NAPHTHALENYL]AZO]-5-METHYLPHENYL]AZO][1,1'-BIPHENYL]-4-YL]AZO]-2-HYDROXY-, TETRASODIUM SALT;C.I. Direct Brown 31* (C.I. 35660*);四ナトリウム=5-[(4'-{[2,6-ジアミノ-3-({8-ヒドロキシ-3,6-ジスルホナト-7-[(4-スルホナト-1-ナフチル)ジアゼニル]-2-ナフチル}ジアゼニル)-5-メチルフェニル]ジアゼニル}ビフェニル-4-イル)ジアゼニル]-2-ヒドロキシベンゾアート