12-Epinapelline is a diterpenoid alkaloid that has been found in Aconitum and has antiarrhythmic activity.1 It has antiarrhythmic activity in a rat model of aconitine-induced arrhythmia and antifibrillatory activity in a mouse model of aconitine-induced cardiac fibrillation (ED50s = 8 and 20 mg/kg, respectively).
1.Dzhakhangirov, F.N., Sultankhodzhaev, M.N., Tashkhodzhaev, B., et al.Diterpenoid alkaloids as a new class of antiarrhythmic agents. Structure-activity relationshipChem. Nat. Compd.33(2)190-202(1997)
















