DIRECT VIOLET 47

tetrasodium [mu-[[7,7'-iminobis[3-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-4-hydroxynaphthalene-2-sulphonato]](8-)]]dicuprate(4-) 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-, sodium salt (1:3) disodium [mu-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulphamoyl)phenyl]azo]naphthalene-2-sulphonato]](6-)]]dicuprate(2-) disodium 7,17-dichloro-10,20-dihydrodiindeno[2,1-b:2',1'-m]triphenodioxazinedisulphonate C.I. Direct Violet 49

Direct violet 56 (C.I. 17510) Cuprate(1-), [3-[2-[5-(aminosulfonyl)-2-(hydroxy-κO)phenyl]diazenyl-κN1]-4-(hydroxy-κO)-7-(phenylamino)-2-naphthalenesulfonato(3-)]-, sodium (1:1) DIRECT VIOLET 51 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[2-(2-methylphenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:2)