Synthetic Opioids: Considerations for the Class-Wide Scheduling of Fentanyl-Related Substances

In 2018, substances related to fentanyl—a very potent synthetic opioid—were temporarily classified as "Schedule I." This designated them as illicit

Detection of two potent synthetic opioids carfentanil and 3-methylfentanyl in forensic investigations during a four-year period 2017‒2020 - ScienceDirect

Novel Vaccine That Blunts Fentanyl Effects and Sequesters Ultrapotent Fentanyl Analogues

Identification of fentanyl and related synthetics by the DEA in

Monoclonal Antibodies for Combating Synthetic Opioid Intoxication

Washington state drug epidemiology

Chemical Interventions for the Opioid Crisis: Key Advances and Remaining Challenges

Responding to the opioid crisis in North America and beyond: recommendations of the Stanford–Lancet Commission - The Lancet

Opiate Addiction & Morphine Drug Facts

Ohio's Jim Jordan will try to crack down on fentanyl-related substances if he becomes House Judiciary Committee chair