2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

n-Heptyl acetate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 112-06-1

Carbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-74-8

Metformin, 1000μg/ml in MeOH, 1ml