(+-)-1-(3-chlorophenyl)-2-((1,1-dimethylethyl)amino)-1-propanone (-)-2-(tert-butylamino)-3'-chloropropiophenone 1-propanone, 1-(3-chlorophenyl)-2-((1,1-dimethylethyl)amino)-,(+-)- CPD-3481 alpha-(tert-butylamino)-m-chloropropiophenone amfebutamonum bupropion