Surrogate fortification standard

(±)-Zopiclone-d8 (piperazinyl-d8),1000 µg/mL,acetonitrile,1mL

n-Alkanes mixture C20+C40 1140,20 Eicosane 1160,40 n-Tetracontane Conc: 100µg each/mL in n-Pentane Units: 5mL in Screw-cap bottles

Oxymatrine, 25mg