C.I. Direct Blue 151, disodium salt

Azoform Brilliant Blue G

Direct Blue 106

trisodium,(3E)-5-hydroxy-3-[[(7Z)-7-[[4-[4-[(2Z)-2-(8-hydroxy-1-oxo-4-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-8-oxo-6-sulfonatonaphthalen-2-yl]hydrazinylidene]-4-oxonaphthalene-1-sulfonate

disodium,(6Z)-8-[2-[2-methyl-4-(3-methylphenyl)phenyl]hydrazinyl]-5-oxo-6-[(E)-(1-oxo-4-sulfonatonaphthalen-2-ylidene)hydrazinylidene]naphthalene-1-sulfonate

C.I. Direct Red 21

C.I. Direct Blue 6