Sulfentrazone, 100 µg/ml, Ethyl acetate, 5ml

Salicylic acid-d4 (3,4,5,6-d4)

Morphine-3-glucuronide, 100µg base/mL, Solvent-DMF, Unit 1mL, # of units-1, Cas.no. 20290-09-9

Chlorfenvinphos, 1000µg/ml in MeOH, 1ml