Metabolite Detection is essential to document drug usage in medical and forensic options, and section I metabolites of isotonitazene and metonitazene have been identified in authentic instances of usage (Krotulski et al. 2020, 2021). Nevertheless, the focus was on reporting isotonitazene and metonitazene concentrations, and stage II metabolites were not https://chemicalglobe.com/product-tag/protonitazene-for-sale-uk/