Methyl-d3 (5-(propylsulfinyl)-1H-benzo[d]imidazol-2-yl)carbamate,Methyl (6-(propylsulfinyl)-1H-benzo[d]imidazol-2-yl)carbamate-D3,"Labeled metabolite of Albendazole, intended for use as an internal standard for the quantification of Albendazole by GC- or LC-mass spectrometry.",Albendazole Metabolite