1,7 Cleve's Acid
1-Naphthol-8-Sulfonic Acid
2,4-Dihydroxy Acetophenone
2,6-Dihydroxy Acetophenone
2-Amino-4-nitrophenol-6-sulfonic Acid
2-Anisidine-4-sulfonic Acid
3,4-Dihydroxy Benzaldehyde
5-Bromoindole
5-Cyanoindole
5-Fluoroindole
5-Nitroindole
Acid Red 52