Metabolite Detection is important to doc drug use in medical and forensic configurations, and phase I metabolites of isotonitazene and metonitazene have already been discovered in authentic scenarios of intake (Krotulski et al. 2020, 2021). Nevertheless, the main target was on reporting isotonitazene and metonitazene concentrations, and stage II metabolites https://chemicalglobe.com/product-tag/protonitazene-for-sale-near-me/