label: 3-((2,6-dibromo-4-methylphenyl)diazenyl)-4,5-dihydroxy-6-((2,4,6-tribromophenyl)diazenyl)naphthalene-2,7-disulfonic acid
label_lc: 3-((2,6-dibromo-4-methylphenyl)diazenyl)-4,5-dihydroxy-6-((2,4,6-tribromophenyl)diazenyl)naphthalene-2,7-disulfonic acid