Diisopropylnaphthalene (mixture of isomers), certified, 0.1g

3,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

2,4,5,6-Tetrachloro-m-xylene, 10µg/mL in Cyclohexane, 10ml

Fenoprop