Mecarbam, 10 µg/ml, Ethyl acetate, 10ml

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL,

5-Hydroxy-2,4-D, 10mg

13C3-Hexafluoropropylene oxide dimer acid, 50µg/ml in MeOH, 1,2ml