(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

4-n-Octylphenol-d4monoethoxylate

3,5-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33954-06-2

Chlorfenvinphos, 10µg/ml in Cyclohexane, 10ml