has participant has_proper_part has_proper_part Calcium Channel Antagonists [MoA] Adrenergic beta-Antagonists [MoA] Sodium Channel Interactions [MoA] Potassium Channel Interactions [MoA] Amiodarone amiodarone drug product Amiodarone Oral Tablet 370568 NDF-RT: N0000147701 RxNORM: RXNORM/203114 RxNORM: RXNORM/703 NDF-RT: N0000146406