| Fentanyl |
| Fentanyl (JAN/USP/INN) <JP/US> |
| Fentanyl citrate (JP18/USP) <JP/US> |
| Fentanyl hydrochloride (JAN) |
| Alfentanil |
| Alfentanil (INN) |
| Alfentanil hydrochloride (USP) <US> |
| Sufentanil |
| Sufentanil (USAN/INN) |
| Sufentanil citrate (USP) <US> |
| Phenoperidine (INN) |
| Anileridine |
| Anileridine (USP/INN) |
| Anileridine hydrochloride (USP) |
| Remifentanil |
| Remifentanil (INN) |
| Remifentanil hydrochloride (JAN/USAN) <JP/US> |
| Droperidol and fentanyl citrate |
