2,3',4,4'-Tetrabromodiphenyl ether, 50µg/ml IO,1ml

trans-Nonachlor

4-Hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine

3-Hydroxybenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13345-21-6