Propazine, 10.0 µg/ml, Acetonitrile, 10ml

Cytosin, 10g

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63466-71-7

Atrazine 13C3, 100μg/mL in Acetone, 1ml