Flecainide-d4 acetate,neat,neat,2.5mg,

Monensin sodium, 100µg/mL in Acetonitrile, 1ml

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7