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

9.1: Opioids - Social Sci LibreTexts

Frontiers Suboxone: History, controversy, and open questions

Affinity, potency, efficacy, selectivity, and molecular modeling of substituted fentanyls at opioid receptors - ScienceDirect

Frontiers Drug Interactions With New Synthetic Opioids

DEA Asks for Tighter Control of Fentanyl to Fight Opioid Influx

Potential unintended consequences of class-wide drug scheduling based on chemical structure: A cautionary tale for fentanyl-related compounds - ScienceDirect

Full article: Gas Chromatography-Mass Spectrometry Analysis of Synthetic Opioids Belonging to the Fentanyl Class: A Review

The Wrong Way to Address Fentanyl

Fentanyl-Related Substances: Don't Make Trump's Policy Permanent