Synonyms : Antaxone, Bristol-Myers Squibb Brand of Naltrexone Hydrochloride, Celupan, Du Pont Brand of Naltrexone Hydrochloride, EN-1639A, Lacer Brand of Naltrexone Hydrochloride, Lamepro Brand of Naltrexone Hydrochloride, Nalorex, Naltrexone Hydrochloride, Nemexin, ReVia