4-Chloro-3-methylphenol, 100µg/ml in MeOH, 1ml

2',3,4',5,5'-Pentachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Ioxynil, 100 µg/ml, Acetonitrile, 5ml

Metrafenone, 100 µg/ml, Acetonitrile, 5ml