Thiometon, 100 µg/ml, Cyclohexane, 1ml

Metolachlor, 100 µg/ml, Methanol, 1ml

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

Thiophenol