4,4-Diamino-2,2-stilbenedisulfonic acid

Catechol-3,5-disulfonic Acid Disodium Salt

Diethyl 4,4'-azodibenzoate

2-(2,7-Dichloro-3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid

3,3-Bis(2-methyl-1-octyl-1H-indol-3-yl)isobenzofuran-1(3H)-one

N-Ethyl-1-((4-(phenyldiazenyl)phenyl)diazenyl)naphthalen-2-amine

3-Ethyl-2-(3-(3-ethylbenzo[d]thiazol-2(3H)-ylidene)prop-1-en-1-yl)benzo[d]thiazol-3-ium iodide

Sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate

Sodium 3-hydroxy-4-((2-hydroxynaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate

N-[4-[[4-(Dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-methanaminium, ethanedioate, ethanedioate(2:2:1)