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