Synonyms: Diol Derivative of Propranolol,(2RS)-3-(Naphthalen-1-yloxy)propane-1,2-diol, Propranolol Hydrochloride Imp. A (EP), 1,2-Propanediol, 3-(1-naphthalenyloxy)-, 1,2-Propanediol, 3-(1-naphthyloxy)- (7CI), 3-(1-Naphthalenyloxy)-1,2-propanediol, 3-(Naphthalen-1-yloxy)propane-1,2-diol, 1-(α-Naphthoxy)-2,3-propylene glycol, 3-(α-Naphthoxy)-1,2-propanediol, 3-(α-Naphthoxy)-1,2-propylene glycol, Propranolol glycol