Disulfoton sulfone, 1000µg/ml in MeOH, 1ml

Chlorinated Pesticides

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

Metsulfuron-methyl, 100 µg/ml, Acetonitrile, 5ml