<unk>  is a class III antiarrhythmic agent. It is marketed under the trade name Tikosyn by Pfizer, and is available in the United States in capsules containing 125, 250, and 500 µg of<unk> . It is not available in Europe or Australia. In the United States it is only available by mail order or through specially trained local pharmacies..
Dofetilide
Ibutilide
Sotalol
Flecainide
Verapamil
Amiodarone
Nortilidine
Procainamide