Ethanol standard in serum,0.1g/L,serum, 1.5mL

Zonisamide-13C6 (ring-13C6),100 µg/mL,MeOH,1mL,

Vortioxetine HCl, 1000µg base/mL in MeOH with 5% 1M HCl, 1mL

2-Butanone