beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

DL-2-Fluoroamphetamine hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

D5-Chloridazon, 100 µg/ml, Acetonitrile, 1ml

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