In 2020, Only one fentanyl by-product was among the ten NPS opioids freshly reported into the EU EWS (eight). There has also been a substantial reduction in fentanyl analogue positivity in toxicology casework (9). In truth, with fentanyl analogues and synthesis precursors being increasingly controlled, we now observe a gradual https://chemicalglobe.com/product-tag/metonitazene-for-sale/