Metoprolol tartrate, 250mg

Glibenclamide,neat,neat,10mg,

Benzidine D8, 500µg/mL in Acetonitrile:Methanol, 1ml

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane