1-(4-(2-hydroxy-3-(isopropylamino)propoxy)-1H-indol-1-yl)-3-(isopropylamino)propan-2-ol;4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-?-[[(1-methylethyl)amino]methyl]-1H-indole-1-ethanol; Pindolol Imp B (EP);N-(3-Isopropylamino-2-hydroxypropyl) Pindolol
