Cefazolin, 2,5g

Tamsulosin hydrochloride,neat,neat,10mg,

2-Perfluorooctyl-[1,1-2H2]-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml

Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,