Tri-n-hexyl phosphate,1000 µg/mL,MeOH,1mL,

1,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Clethodim-sulfoxide, 100 µg/ml, Acetonitrile, 1m

Penconazole, 100 µg/ml, Ethyl acetate, 5ml