Guanylurea, 100µg/ml in Acetonitrile, 5ml

2-Ethynyl-3-methylpyrazine,1000 µg/mL,isooctane,1mL,

D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10

Dibenz[a,j]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-42-0