Hydroxy alpha sanshool, 100 µg/ml, Acetonitrile,

Ethylcyclopentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1640-89-7

Sampling Standard Solution, in Nonane/1.6% toluene, 1,2ml

DL-Methionine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 59-51-8