Synthesis, Chemical Characterization, and Opioid Receptor Activity Assessment of the Emerging Group of Nitazene 2 Benzylbenzimidazole Synthetic Opioids ACS Chemical Neuroscience Missouri health officials warn nitazenes, potent synthetic opioids, are hard to detect Nitazenes: New synthetic opioid threat in Missouri Springfield Daily Citizen Full article: Protonitazene detection in two cases of opioid toxicity following the use of tetrahydrocannabinol vape products in Australia NSW ACCHOs Drug Alerts AH&MRC