In 2020, just one fentanyl by-product was Amongst the 10 NPS opioids recently claimed on the EU EWS (8). There has also been a considerable reduction in fentanyl analogue positivity in toxicology casework (9). Certainly, with fentanyl analogues and synthesis precursors being ever more controlled, we now observe a gradual https://chemicalglobe.com/product-tag/metonitazene-for-sale/