D-Fructose-13C6, 25mg

D3-Ipronidazole, 100 µg/ml, Methanol, 1ml

3,4,5-Trimethylphenol, 100 µg/ml, Acetonitrile,

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene