(S)-(-)-Cotinine, 1000µg/ml in MeOH, 1ml

1,2,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Napropamide, 10.0 µg/ml, Cyclohexane, 10ml

5-Nitro-o-toluidine,100 µg/mL,acetonitrile,1mL,