Valifenalate, 100 µg/ml, Acetonitrile, 1ml

Ethopabate, 100mg

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

15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml