Fluroxypyr, 10.0 µg/ml, Acetonitrile, 10ml

Flecainide acetate,1000 µg base/mL,MeOH,1mL,

Ethanol standard in serum,4.0g/L,serum, 1.5mL

Tris-p-tolyl phosphate-d21,100 µg/mL,isooctane,1mL,