A type of synthetic opioid, two-benzyl benzimidazole — or nitazene — opioids ended up 1st created in the nineteen fifties as analgesics, but were uncovered for being so strong they have been hardly ever accredited or promoted as medicines​[1]​. Carfentanil, protonitazene, and isotonitazene are 3 new synthetic opioids that negatively https://authenticchemicals.com/