Levetiracetam, 50mg

Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-52-1

2,4,5-Trichlorophenol, certified, 0.1g

Parathion-ethyl, 10.0 µg/ml, Ethyl acetate, 10ml