1,2,3,4,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2-n-Butyl-5-ethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54411-06-2

Triclocarban-13C6, 1mg

D7-Atenolol, 100 µg/ml, Acetonitrile, 1ml