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

Malathion-d7 (dimethyl-d6;3-d1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352438-94-9

Chloroparaffin C14-C17 57% Cl, 1000µg/mL in Cyclohexane, 10ml

(-)-(S)-Levetiracetam,1000 µg/mL,MeOH,1mL