2,3,4,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Metoprolol-d7 hydrochloride (isopropyl-d7),1000 µg base/mL,MeOH,1mL

Zonisamide-13C6 (ring-13C6),neat,neat,1mg,

Fluoranthene, 100 µg/ml, Cyclohexane, 1ml