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

Etrimfos,100 µg/mL,MeOH,1mL,

Isophorone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-59-1

13C6-Mefenamic acid, 10mg