1,2,4-Triazole, 5g

Propyl 4-hydroxybenzoate

4-Aminoazobenzene, 100 µg/ml, Acetonitrile, 1ml

3,3'-Dimethoxybenzidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 119-90-4