2,3,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

3,4-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3978-67-4

Nicotinic acid, Stock solution system check EN12260

Acetal (1,1-Diethoxyethane), 1g