Artificial foodstuff-Free sugars and glucose, 50g

1-(4-Isopropylphenyl)urea, 100 µg/ml, Acetonitrile, 1ml

2,2',4,4',5,5'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane

N-Nitroso-di-n-butylamine, 100 µg/ml, Methanol,