2-(3-amino-4-sulfo-benzoyl)-benzoic acid

1-nitroso-anthraquinone

sodium 1-aminoanthraquinone-2-sulphonate

1-(tert-butylamino)anthracene-9,10-dione

Carbamic acid, (9,10-dihydro-9,10-dioxo-1-anthracenyl)-, ethyl ester