Triazophos, 100 µg/ml, Acetonitrile, 5ml

iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7

Tributylphosphate, certified, 0.25g

Metformin hydrochloride