Aqueous ethanol control EtOH AQ (0.2g/L), 10x1,5ml

(±)-Sotalol-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,

Tetradifon, 10.0 µg/ml, Ethyl acetate, 10ml

Spiking Standard 2