Metformin hydrochloride, 250mg

4-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-53-8

(±)-Ketoconazole,2000 µg/mL,MeOH,1mL

Etridiazole, 10.0 µg/ml, Ethyl acetate, 10ml