Cetirizine dihydrochloride,neat,neat,10mg,

Dibutyltin-d18 dichloride, 1000µg/ml in IO, 1ml

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL,