Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,

Metformin-d6 hydrochloride (dimethyl-d6),neat,neat,10mg,

Isobutyl acetate,1000 µg/mL,MeOH,1mL,

Aminopyralid, 100 µg/ml, tert-Butyl methyl ether,