Nicotinic acid, Stock solution system check EN12260

Carbadox, 50µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 6804-07-5

1,6-Dinitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 42397-64-8

Sertraline-d3 Hydrochloride, 1mg