Metabolite Detection is significant to document drug intake in scientific and forensic options, and section I metabolites of isotonitazene and metonitazene are already discovered in reliable scenarios of consumption (Krotulski et al. 2020, 2021). Nonetheless, the focus was on reporting isotonitazene and metonitazene concentrations, and period II metabolites weren't investigated. https://chemicalglobe.com/product-tag/buy-protonitazene-online/