Metformin-d6 HCl, 1000µg/ml in MeOH, 1ml

2,2',3,3',5,5',6,6'-Octachloro-4,4'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane

Warfarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81-81-2

Venlafaxine hydrochloride