Beflubutamid, 100 µg/ml, Acetonitrile, 5ml

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene

Tembotrione, 100 µg/ml, Acetonitrile, 1ml

2-Methylsulfonyl-4-trifluoromethyl benzoic acid