| Outgoing Relation(s) |
| μ-opioid receptor agonist (CHEBI:55322) is a opioid receptor agonist (CHEBI:60606) |
| μ-opioid receptor agonist (CHEBI:55322) is a μ-opioid agent (CHEBI:60599) |
| Incoming Relation(s) |
| (R,R)-tramadol (CHEBI:75725) has role μ-opioid receptor agonist (CHEBI:55322) |
| (R,R)-tramadol hydrochloride (CHEBI:75733) has role μ-opioid receptor agonist (CHEBI:55322) |
| (S,S)-tramadol (CHEBI:75731) has role μ-opioid receptor agonist (CHEBI:55322) |
| (S,S)-tramadol hydrochloride (CHEBI:75734) has role μ-opioid receptor agonist (CHEBI:55322) |
| p-tolylfentanyl (CHEBI:233558) has role μ-opioid receptor agonist (CHEBI:55322) |
| para-methoxyfentanyl (CHEBI:233771) has role μ-opioid receptor agonist (CHEBI:55322) |
| 3-methylfentanyl (CHEBI:61092) has role μ-opioid receptor agonist (CHEBI:55322) |
| 4-chlorofentanyl (CHEBI:231308) has role μ-opioid receptor agonist (CHEBI:55322) |
| 4-fluorofentanyl (CHEBI:61074) has role μ-opioid receptor agonist (CHEBI:55322) |
| 4-fluoroisobutyrfentanyl (CHEBI:233683) has role μ-opioid receptor agonist (CHEBI:55322) |
| 4-methoxybutyrfentanyl (CHEBI:183351) has role μ-opioid receptor agonist (CHEBI:55322) |
| 4-phenylfentanyl (CHEBI:234274) has role μ-opioid receptor agonist (CHEBI:55322) |
| acetylfentanyl (CHEBI:233556) has role μ-opioid receptor agonist (CHEBI:55322) |
| acrylfentanyl (CHEBI:233682) has role μ-opioid receptor agonist (CHEBI:55322) |
| alfentanil (CHEBI:2569) has role μ-opioid receptor agonist (CHEBI:55322) |
| buprenorphine (CHEBI:3216) has role μ-opioid receptor agonist (CHEBI:55322) |
| buprenorphine hydrochloride (CHEBI:652822) has role μ-opioid receptor agonist (CHEBI:55322) |
| butonitazene (CHEBI:234364) has role μ-opioid receptor agonist (CHEBI:55322) |
| butorphanol (CHEBI:3242) has role μ-opioid receptor agonist (CHEBI:55322) |
| butorphanol D-tartrate (CHEBI:3243) has role μ-opioid receptor agonist (CHEBI:55322) |
| butyrfentanyl (CHEBI:233557) has role μ-opioid receptor agonist (CHEBI:55322) |
| carfentanil (CHEBI:61084) has role μ-opioid receptor agonist (CHEBI:55322) |
| cyclopropylfentanyl (CHEBI:233606) has role μ-opioid receptor agonist (CHEBI:55322) |
| DADLE (CHEBI:234245) has role μ-opioid receptor agonist (CHEBI:55322) |
| dextropropoxyphene (CHEBI:51173) has role μ-opioid receptor agonist (CHEBI:55322) |
| eluxadoline (CHEBI:85980) has role μ-opioid receptor agonist (CHEBI:55322) |
| etodesnitazene (CHEBI:234368) has role μ-opioid receptor agonist (CHEBI:55322) |
| etonitazene (CHEBI:234361) has role μ-opioid receptor agonist (CHEBI:55322) |
| fentanyl (CHEBI:119915) has role μ-opioid receptor agonist (CHEBI:55322) |
| fentanyl citrate (CHEBI:31602) has role μ-opioid receptor agonist (CHEBI:55322) |
| flunitazene (CHEBI:234366) has role μ-opioid receptor agonist (CHEBI:55322) |
| furanylfentanyl (CHEBI:233684) has role μ-opioid receptor agonist (CHEBI:55322) |
| heroin (CHEBI:27808) has role μ-opioid receptor agonist (CHEBI:55322) |
| hydrocodone (CHEBI:5779) has role μ-opioid receptor agonist (CHEBI:55322) |
| hydromorphone (CHEBI:5790) has role μ-opioid receptor agonist (CHEBI:55322) |
| isotodesnitazene (CHEBI:234367) has role μ-opioid receptor agonist (CHEBI:55322) |
| isotonitazene (CHEBI:234360) has role μ-opioid receptor agonist (CHEBI:55322) |
| Leu-enkephalin (CHEBI:89656) has role μ-opioid receptor agonist (CHEBI:55322) |
| levomethadone (CHEBI:136003) has role μ-opioid receptor agonist (CHEBI:55322) |
| lofentanyl (CHEBI:61095) has role μ-opioid receptor agonist (CHEBI:55322) |
| loperamide (CHEBI:6532) has role μ-opioid receptor agonist (CHEBI:55322) |
| loperamide hydrochloride (CHEBI:6533) has role μ-opioid receptor agonist (CHEBI:55322) |
| Met-enkephalin (CHEBI:6618) has role μ-opioid receptor agonist (CHEBI:55322) |
| methadone (CHEBI:6807) has role μ-opioid receptor agonist (CHEBI:55322) |
| metodesnitazene (CHEBI:234370) has role μ-opioid receptor agonist (CHEBI:55322) |
| metonitazene (CHEBI:234362) has role μ-opioid receptor agonist (CHEBI:55322) |
| morphine (CHEBI:17303) has role μ-opioid receptor agonist (CHEBI:55322) |
| ocfentanyl (CHEBI:183384) has role μ-opioid receptor agonist (CHEBI:55322) |
| ohmefentanyl (CHEBI:194294) has role μ-opioid receptor agonist (CHEBI:55322) |
| oxycodone (CHEBI:7852) has role μ-opioid receptor agonist (CHEBI:55322) |
| oxycodone hydrochloride (CHEBI:7859) has role μ-opioid receptor agonist (CHEBI:55322) |
| pethidine (CHEBI:6754) has role μ-opioid receptor agonist (CHEBI:55322) |
| pethidine hydrochloride (CHEBI:31984) has role μ-opioid receptor agonist (CHEBI:55322) |
| pholcodine (CHEBI:53579) has role μ-opioid receptor agonist (CHEBI:55322) |
| protonitazene (CHEBI:234363) has role μ-opioid receptor agonist (CHEBI:55322) |
| remifentanil (CHEBI:8802) has role μ-opioid receptor agonist (CHEBI:55322) |
| remifentanil hydrochloride (CHEBI:32091) has role μ-opioid receptor agonist (CHEBI:55322) |
| sufentanil (CHEBI:9316) has role μ-opioid receptor agonist (CHEBI:55322) |
| tetrahydrofuranylfentanyl (CHEBI:183782) has role μ-opioid receptor agonist (CHEBI:55322) |
| thienylfentanyl (CHEBI:61099) has role μ-opioid receptor agonist (CHEBI:55322) |
| tianeptine (CHEBI:91749) has role μ-opioid receptor agonist (CHEBI:55322) |
| tramadol (CHEBI:9648) has role μ-opioid receptor agonist (CHEBI:55322) |
| tramadol hydrochloride (CHEBI:32250) has role μ-opioid receptor agonist (CHEBI:55322) |
| α-methylfentanyl (CHEBI:234468) has role μ-opioid receptor agonist (CHEBI:55322) |
