4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

N-Nitroso-L-proline

2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2

1-Chloro-3-nitrobenzene, 1000µg/ml in MeOH, 1ml