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

Imidacloprid D4, 100μg/ml in Acetone, 1ml

1,1-Difluoroethane, 1000µg/ml in MeOH, 1ml

2,3,4,6-Tetrachlorophenol, 100 µg/ml, Methanol,