<prompt> Class III antiarrhythmic drug among the following is:vernakalantPhenytoinPropafenonePindolol  <response>: Phenytoin is class IB, propafenone is class IC, pindolol is class II. class 3 - Amiodarone Sotalol Ibutilide Dofetilide Dronedarone Vernakalant REF.Essentials of Medical Pharmacology KD Tripathi 8th ed. 