Amiodarone HCl Injection contains amiodarone HCl (C25H29I2NO3•HCl), a class III antiarrhythmic drug. Amiodarone HCl is (2-butyl-3-benzofuranyl)[4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl]methanone hydrochloride. Amiodarone HCl has the following structural formula:

Cordarone (amiodarone HCl) is a member of a class of antiarrhythmic drugs with predominantly Class III (Vaughan Williams' classification) effects, available for oral administration as pink, scored tablets containing 200 mg of amiodarone hydrochloride. The inactive ingredients present are colloidal silicon dioxide, lactose, magnesium stearate, povidone, starch, and FD&C Red 40. Cordarone is a benzofuran derivative: 2-butyl-3-benzofuranyl 4-[2-(diethylamino)-ethoxy]-3,5diiodophenyl ketone hydrochloride.

NEXTERONE contains amiodarone HCl (C25H29I2NO3•HCl), a class III antiarrhythmic drug. Amiodarone HC1 is (2-butyl-3-benzo-furanyl)[4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl]methanonehydrochloride.

Cordarone Intravenous (Cordarone I.V.) contains amiodarone HCl (C25H29I2NO3· HCl), a class III antiarrhythmic drug. Amiodarone HCl is (2-butyl-3-benzofuranyl)[4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl]methanone hydrochloride. Amiodarone HCl has the following structural formula: