D7-Metoprolol tartrate, 10mg

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

Atenolol, 100 µg/ml, Methanol, 1ml

2,2,5,7-Tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23342-25-8