D4-Ethephon-hydroxy, 100 µg/ml, Acetone, 1ml

Benzo[e]pyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-97-2

Melamine monomer

Picene, 10µg/ml in Cyclohexene, 10ml