(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane

1,4-Dibromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-37-6

Oxalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 144-62-7

Copper (Cu)