4,4’-DDD

Naltrexone (base, anhydrous), 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16590-41-3

Pentadecafluorooctanoic acid, 100 µg/ml, Methanol

Benzo[b]fluoranthene, 10.0 µg/ml, Acetonitrile,