rac-threo-Dihydro Bupropion-d9 Hydrochloride,(1S,2S)-1-(3-chlorophenyl)-2-[[1,1,1,3,3,3-hexadeuterio-2-(trideuteriomethyl)propan-2-yl]amino]propan-1-olhydrochloride,"Labeled Bupropion metabolite, intended for use as an internal standard for the quantification of Bupropion by GC- or LC-mass spectrometry.",Bupropion Therapeutic