Perfluoro-1-butanesulfonamide , 1.2ml x 50ug/ml, isopropanol

N-Nitrosonornicotine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 808508-23-2

Pentachloroaniline, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 527-20-8

2,3,4,5-Tetrachloronitrobenzene