1,10-Phenanthroline Hydrate
1,5-Diphenylcarbazone
1-(2-Pyridylazo)-2-naphthol
1-Naphthalenol,4-[2-(4-nitrophenyl)diazenyl]-
4-Dimethylaminobenzaldehyde
Acid Red 87
Acid Violet 19
Alizarin Red S
Azo Violet
Basic Blue 9
Basic Green 4
Basic Red 5