Metformin-d6-HCl, 100µg/ml in Acetonitrile, 1ml

2,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Anthanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-26-4

Cholesterol, 250mg