Chloramphenicol, 100 µg/ml, Acetonitrile, 1ml

Atenolol, 100 µg/ml, Acetonitrile, 5ml

Ethylbenzene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25837-05-2

Tetradifon, 250mg