Procaine hydrochloride,1000 µg base/mL,acetonitrile,1mL,

Dimethachlor, 100µg/mL in MeOH, 1ml

6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 352431-12-0

4-Bromo-2-nitroaniline, , Solvent-, Unit , # of units-, Cas.no. 875-51-4