Direct Brown 79 trisodium,(3E)-3-[[4-[4-[[2,4-diamino-5-[(2,4-disulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate Direct Brown CN c.i. direct brown 79 C.I. Direct brown 79(30050) 2-Hydroxy-5-[[4'-[[2,4-diamino-5-[(2,4-disulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid trisodium salt C.I.30050 C.I.Direct Brown 79:C.I.30050