1-(1-naphthoxy)-3-(4-substituted-piperidino)-2-propanols, preparable by reacting 1,2-epoxy-3-(1-naphthoxy)-propane with the appropriate 4-substituted piperidine, are disclosed. The compounds may be alternately prepared from 1-chloro-3-(1-naphthoxy)-2-propanol with the appropriate 4-substituted piperidine. The compounds are useful antiarrhythmic agents.