Paraoxon-methyl, 100 µg/ml, Toluene, 5ml

Olanzapine-D3, 1.0mg/ml in Acetonitrile, 1ml

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Clarithromycin, >98%, 1g