13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml

n-Tetracosane, ?13C: -26.42, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 646-31-1

Caffeine, 250mg

1,2,3,4-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene