Phenkapton, 10 ng/µl, 1ml

3,5,6-trichloro-2-pyridinol(4,5,6-13C3, 99%) cp 97%, 100µg/ml in Acetonitrile, 1,2ml

Anilazine, 100 µg/ml, Acetonitrile, 5ml

2,2',3,5,5',6-Hexachlorobiphenyl