HRMS/MS Spectra of isotonitazene, metonitazene, and important metabolites identified in human hepatocyte incubates and reliable postmortem samples and recommended fragmentation styles. A5 and B3 are exactly the same metabolite; A6 and B4 are exactly the same metabolite NPS are outlined as synthetic agents possessing real or alleged morphine-like or other https://chemicalglobe.com/