Explainer: nitazenes and xylazine a cause for concern News Chemistry World Nitazenes: New synthetic opioid threat in Missouri Springfield Daily Citizen More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police State warns of nitazene, a new highly potent opioid found in Missouri KBIA Full article: Protonitazene detection in two cases of opioid toxicity following the use of tetrahydrocannabinol vape products in Australia