Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

Allopurinol, 100mg

Benzo[a]pyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 50-32-8

N-Acetyl-S-(carbamoylethyl)-L-cysteine, 97%, 100mg