Methidathion, 10µg/mL in Cyclohexane, 10ml

Metoprolol, 1000µg/ml in MeOH, 1ml

4-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 92-93-3

Desmedipham, 100μg/ml in MeOH, 5ml