Tolyltriazole, 100 µg/ml, Acetonitrile, 1ml

1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

3-Hydroxyindole

Phthalic acid, bis-2-n-butoxyethyl ester, certified, 0.1g