Tetrachloroethene

2,2'-Dinitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2436-96-6

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

Phosphate (PO43-) as PO4