1-(Isopropylamino)-3-(4-(2-methoxyethyl)phenoxy)propan-1,1,2,3,3-d5-2-ol,1-(isopropylamino)-3-(4-(2-methoxyethyl)phenoxy)propan-1,1,2,3,3-d5-2-ol,"Labeled Metoprolol, intended for use as an internal standard for the quantification of Metoprolol by GC- or LC-mass spectrometry.",Metoprolol Stable Isotopes
