Cymoxanil, 10.0 µg/ml, Acetonitrile, 10ml

Erythromycin-13C,d3, 1mg

1-Hydroxypyrene, 10mg

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml