Metabolite Detection is essential to document drug consumption in scientific and forensic options, and stage I metabolites of isotonitazene and metonitazene happen to be discovered in authentic circumstances of consumption (Krotulski et al. 2020, 2021). However, the main target was on reporting isotonitazene and metonitazene concentrations, and section II metabolites https://chemicalglobe.com/product-tag/protonitazene-for-sale/