Fenchlorazol-ethyl, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,5,5'-Hexachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,3,3-Trichlorobiphenyl (BZ-20)

Milbemectin A4, 100 µg/ml, Acetonitrile, 1ml