In the early 2010s, the United states was struck via the “opioid crisis”, as illicit fentanyl and new synthetic opioids (NSOs) flooded the illegal drug industry. Benzimidazole opioids are µ-opioid receptor (MOR) https://zoyansom838874.ageeksblog.com/35968114/not-known-facts-about-metonitazene