Parathion-ethyl, 100 µg/ml, Toluene, 1ml

Iopamidol-d8, 1mg

Pholcodine-N,N'-dioxide, neat, Solvent-neat, Unit 2,5mg, # of units-1, Cas.no.

Potassium perfluoro(2-ethoxyethane)sulfonate, 50µg/ml in MeOH, 1,2ml