C.I.26665

C.I.Acid Red 148

1-Hydroxy-2-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-4-sulfonic acid sodium salt

(3Z)-3-[[2-methyl-4-(2-methylphenyl)diazenyl-phenyl]hydrazinylidene]-4-oxo-naphthalene-1-sulfonic acid