1-Propanaminium, 2-hydroxy-N,N-dimethyl-N-(1-methylethyl)-3-(1-naphthalenyloxy)- 2-Hydroxy-N,N-dimethyl-N-(1-methylethyl)-3-(1-naphthalenyloxy)-1-propanaminium 38726-81-7 42879-47-0 50643-33-9 Dimethylpropranolol N,N-Dimethyl-1-isopropylamino-3-(1-naphthyloxy)propan-2-ol N,N-Dimethylpropranolol SC 27761 UM 272 pranolium