street drug testing

Want to read offline? [Download PDF] The opioid crisis has entered a dangerous new phase. While fentanyl continues to dominate headlines, an even more potent class of synthetic opioids has emerged from the shadows, nitazenes. These 2-benzylbenzimidazole compounds, originally synthesized in the 1950s but abandoned due to extreme toxicity, have resurfaced on illicit drug markets […]