4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml

(2RS)-2-(4-Ethylphenyl)propanoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 3585-52-2

Aroclor 1248 in Transformer Oil

Chloramphenicol