Synonyms: Amiodarone Hydrochloride Imp. E (EP), Amiodarone Imp. E (EP), Amiodarone USP Related Compound E, Amiodarone USP RC E, (2-Butylbenzofuran-3-yl)(4-hydroxyphenyl)methanone, Amiodarone Related Compound E, Amiodarone Hydrochloride Impurity E, Amiodarone Impurity E