1-(2,4-Dichlorophenyl)-2-imidazol-1-yl ethanol, 10

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

Triisobutyl phosphate, 100 µg/ml, Methanol, 5ml

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),100 µg/mL,acetonitrile,1mL,