Ethoxyquin, 100 µg/ml, Acetonitrile, 5ml

Metformin hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1115-70-4

N-Nitroso-N-methylethylamine

Sitagliptin, 100µg/ml in Acetonitrile, 5ml