1,2,4-Trihydroxyanthracene-9,10-dione
Sodium 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate
Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-ethoxyphenyl)diazenyl)benzenesulfonate)
3',6'-Dihydroxy-4-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
5,10-Di(naphthalen-2-yl)-5,10-dihydrophenazine
16-Nitroanthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione
