O,O-Dimethyldithiophosphate, sodium salt, 5mg

Mass-Labelled PCB Solution , 1.2ml x 100ng/ml, nonane

2'-Fluoro-2,4,4'-tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876310-22-4

Methylmalonic acid, 250mg