Di-n-propyltin dichloride, 25mg

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Fumonisin B2, 50 µg/ml, Acetonitrile/Water, 1ml

ß-glucuronidase recombinant Escherichia coli