Metolachlor oxanilic acid, 100µg/ml in MeOH, 1ml

Ethyl eicosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18281-05-5

2-Nitrodiphenylamine

4-Ethylcatechol, 100 µg/ml, Methanol, 10ml