C.I.33520

Brown SFR

Acid Brown H

Acid Brown 121

Corium Acid Dark Brown MG

4-Hydroxy-5-[[3-[(2-hydroxy-5-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt