Sildenafil citrate,1000 µg base/mL,MeOH,1mL

1,2,4,7/1,2,4,8-Tetrachlorodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, nonane

Carbazole

N-Nitroso-N-ethylaniline, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 612-64-6