Chemistry:Fluetonitazepyne

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Fluetonitazepyne (F-etonitazepyne, 2-fluoroetonitazepyne) is a benzimidazole derivative which is an opioid designer drug.[1] It was first identified in Italy in July 2024,[2] and subsequently isolated in Finland in early 2025 from the body fluids of five people who had died from opioid overdose.[3] It has also been detected in Germany. [4]

See also

References

  1. ↑ "Pharmacology of newly identified nitazene variants reveals structural determinants of affinity, potency, selectivity for mu opioid receptors". Neuropharmacology 276. 15 September 2025. doi:10.1016/j.neuropharm.2025.110512. PMID 40374158. 
  2. ↑ "Fluetonitazene". EU Early Warning System Formal Notification. European Union Drugs Agency (EUDA). 14 May 2024. https://workpage.ews-nfp.bg/wp-content/uploads/2024/09/EU-EWS-RCS-FN-2024-0031_Fluetonitazepyne.pdf. 
  3. ↑ "Post-Mortem Identification and Toxicological Findings of Fluetonitazepyne and Isotonitazepyne.". Drug Testing and Analysis 17 (11). 2025. doi:10.1002/dta.3928. PMID 40879310. 
  4. ↑ "Identification and Characterization of the Designer Opioid N-Pyrrolidino Fluetonitazene in Nasal Spray". Drug Testing and Analysis. April 2026. doi:10.1002/dta.70074. PMID 41983957.