Mass-Labelled PCB Recovery Standard, 1.2ml, nonane

Ethoxysulfuron, 100mg

9-n-Butylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3952-42-9

Gemfibrozil, 100µg/ml in Acetonitrile, 1ml