Alfentanil | Buprenorphine | Carfentanil | Codeine | Codeinone | Dextropropoxyphene | Diamorphine (Heroin) | Dihydrocodeine | Fentanyl | Hydrocodone | Hydromorphone | Methadone | Morphine | Morphinone | Nalbuphine | Oxycodone | Oxymorphone | Pentazocine | Pethidine (Meperidine) | Propoxyphene | Remifentanil | Sufentanil | Tramadol
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