4,4'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,4,4',6,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Cymoxanil, 10.0 µg/ml, Acetonitrile, 10ml

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