Metformin-d6-HCl, 100μg/ml in MeOH, 5ml

Demeton S, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 126-75-0

Di-n-butyl phthalate

3,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml