| Име на веществото | Година на регистрация | Химическа класификация | Фармакологична класификация |
|---|---|---|---|
| 2-fluorofentanyl (ortho-fluorofentanyl) | 2021 | Azacyclics, Piperidines, 4-anilidopiperidines derivatives | Opioid |
| Alpha-methylfentanyl | 2023 | Azacyclics, Piperidines, 4-anilidopiperidines derivatives | Opioid |
| Fentanyl | 2020 | Azacyclics, Piperidines, 4-anilidopiperidines derivatives | Opioid |
| Metonitazene | 2021 | Azacyclics, Azoles, Benzimidazoles | Opioid |
| 3-methylfentanyl | 2024 | Azacyclics, Piperidines, 4-anilidopiperidines derivatives | Opioid |
