Dimethenamid, 100 µg/ml, Methanol, 1ml

Paraxanthine, 25mg

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

1,4-Dimethylnaphthalene, 10 µg/ml, Cyclohexane,