Benzo(a)pyrene

8-Bromo-2,3-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2,4-Dichlorophenol

(S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6