Dimethenamid, 10µg/ml in Acetonitrile, 10ml

2,3,7-Trichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3-Dichloronitrobenzene

Chlorobenzene-d5,5000 µg/mL,MeOH,1mL