Coumaphos, 100 µg/ml, Acetonitrile, 1ml

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

Fluazifop-butyl, 100 µg/ml, Acetonitrile, 5ml

Dimethyl citraconate, 100mg