| Synonym | 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, Vondacel Brown SP, C.I. Direct Brown 31, 5-[[4'-[[2,6-Diamino-3-[[8-hydroxy-3,6-bis(sodiosulfo)-7-[(4-sodiosulfo-1-naphtyl)azo]-2-naphtyl]azo]-5-methylphenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid sodium salt, 5-[[4'-[[2,6-Diamino-5-methyl-3-[[7-[(4-sodiosulfo-1-naphthalenyl)azo]-8-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid sodium 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 |
