Vardenafil hydrochloride trihydrate, certified, 0.1g

Benzo[ghi]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-12-3

1,2,8,9-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Prothiofos, 100 µg/ml, Ethyl acetate, 5ml