Chloridazon, 100 µg/ml, Acetonitrile, 5ml

Acetic acid-13C2,2000 µg/mL,MeOH,1mL,

16alpha-Hydroxyprednisolone,neat,neat,10mg,

Decabromo[13C12]biphenyl, 50µg/ml in Nonane/50% toluene, 1,2ml