Atraton, 100µg/ml in Acetonitrile, 5ml

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Flutriafol,100 µg/mL,MeOH,1mL,

N-Nitrosodimethylamine-d6