Sulfaquinoxaline sodium salt, 100 µg/ml, Methanol

2,3-Butanediol

PCB No. 52, 10µg/mL in Isooctane, 10ml

Nicotinic acid, 1000µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 59-67-6