Terbuthylazine-desethyl-2-hydroxy, 10µg/ml in Acetonitrile, 10ml

1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene

Tridecafluoroheptanoic acid, 100mg

D6-Flufenacet ESA sodium salt, 100 µg/ml in Acetonitrile, 1ml