11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid
3H,3'H-[2,2'-Bibenzo[b]thiophenylidene]-3,3'-dione
3-Amino-7-(dimethylamino)-2-methylphenothiazin-5-ium chloride
1-Amino-2,4-dibromoanthraquinone
Anthracene-9,10-dione
9H-Xanthen-9-one
Anthra[2,1,9-def:6,5,10-d'e'f']diisochromene-1,3,8,10-tetraone
10-Phenyl-10H-phenothiazine
Disodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
1-Naphthalenesulfonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1)
4,4-Bis(dimethylamino)benzophenone
N-(4-(Bis(4-(diethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-ethylethanaminium chloride
1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione
2,4,6-Triphenylpyrylium tetrafluoroborate
4,4'-Dinitro-[1,1'-biphenyl]-2,2'-dicarboxylic acid
9H-Fluoren-9-one
1,4-Bis(methylamino)anthracene-9,10-dione
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
Dinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18(6H,15H)-tetraone
[2,2'-Biindolinylidene]-3,3'-dione
Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate
1-((4-Nitrophenyl)diazenyl)naphthalen-2-ol
2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate
Sodium 3-((-ethyl(-4-((4-(ethyl(3-sulfonatobenzyl)amino)phenyl)(4-sulfonatophenyl)methylene)cyclohexa-2,5-dien-1-ylidene)ammonio)methyl)benzenesulfonate
7,8-Dimethylbenzo[g]pteridine-2,4(1H,3H)-dione
7,8,10-Trimethylbenzo[g]pteridine-2,4(3H,10H)-dione
2,4,6-Tris(4-fluorophenyl)pyrylium tetrafluoroborate
4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulfonic acid, sodium salt
2-(3,4-Dihydroxyphenyl)-3,7-dihydroxy-4H-chromen-4-one
