Imidacloprid-d4, 100µg/ml in Acetonitrile, 1ml

4,4'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 613-33-2

Caffeine

PCB No. 16, 100µg/ml in Isooctane, 1ml