2-Quinoxalinecarboxylic acid, 100mg

n-Propylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2040-96-2

5-Hydroxy L-Tryptophan, 250mg

Menthol, certified, 0.25g