Atrazine-2-hydroxy, 100 µg/ml, Methanol, 1ml

1-Perfluoropentyl ethanol (5:2 secondary), 1.2ml x 50ug/ml, methanol

2,3,4,5-Tetrachloronitrobenzene

Demeton O, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 298-03-3