Metazachlor OA, 100µg/ml in Acetonitrile, 1ml

Ethofumesate, 10.0 µg/ml, Ethyl acetate, 10ml

N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound)

2,4-Dinitrotoluene