[13C3]-Melamine, 1.2ml x 100ug/ml, water

Cyanofenphos, 10 µg/ml, Ethyl acetate, 10ml

Levetirazetam, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 102767-28-2

alpha-Endosulfan, 100 µg/ml, Acetonitrile, 5ml