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

Clarithromycin, 100mg

Malathion-d6 (dimethyl-d6), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1189877-72-2

Sodium p-n-tetradecylbenzenesulfonate, 100 µg/ml,