2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Pyridafol, 10.0 µg/ml, Acetonitrile, 10ml

Dibenzo[b,k]chrysene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 217-54-9

9-Ethylphenanthrene,500µg/mL,isooctane,1mL,