(-)-(S)-Levetiracetam,1000 µg/mL,MeOH,1mL

N-Propionyl mesalazine-d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Glutathione (glycine-13C2,15N) Disodium Salt, 1mg

Propaquizafop, 100 µg/ml, Acetonitrile, 5ml