[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Metformin hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 1115-70-4

1,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-41-1

Bis(2-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene