Synonyms: Propranolol Hydrochloride Imp. B (EP) as Hydrochloride, Tertiary Amine Derivative Hydrochloride of Propranolol,1,1′-[(1-Methylethyl)imino]bis[3-(naphthalen-1-yloxy)propan-2-ol] Hydrochloride, 1-[[2-Hydroxy-3-(naphthalen-1-yloxy)propyl](propan-2-yl)amino]-3-(naphthalen-1-yloxy)propan-2-ol hydrochloride