Ascorbic acid

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

N-Ethyl-N-(2-hydroxyethyl)nitrosamine,1000 µg/mL,acetonitrile,1mL

Atraton, 100µg/ml in Acetonitrile, 5ml