Metabolite Detection is significant to document drug intake in scientific and forensic settings, and stage I metabolites of isotonitazene and metonitazene are discovered in authentic instances of usage (Krotulski et al. 2020, 2021). Even so, the focus was on reporting isotonitazene and metonitazene concentrations, and stage II metabolites weren't investigated. https://chemicalglobe.com/shop/uncategorized/protonitazene-for-sale/