Racemorphan

Not to be confused with Morphan.

Racemorphan
Systematic (IUPAC) name

(±)-17-methylmorphinan-3-ol
Clinical data
Legal status	CA: Schedule I DE: Anlage II (Prohibited)
Identifiers
CAS Number	297-90-5 5985-35-3 (HBr)
ChemSpider	16736212
UNII	V7R79HN3XD^Y
Chemical data
Formula	C₁₇H₂₃NO
Molar mass	257.37 g/mol

Racemorphan, or morphanol, is the racemic mixture of the two stereoisomers of 17-methylmorphinan-3-ol, each with differing pharmacology and effects:

Dextrorphan - an antitussive and dissociative hallucinogen (NMDA receptor antagonist)
Levorphanol - an opioid analgesic

Racemorphan itself is under international control per the Single Convention on Narcotic Drugs 1961 and is therefore listed as a Schedule II Narcotic controlled substance in the US Controlled Substances Act 1970; it has an ACSCN of 9733 and in 2014 it had an aggregate annual manufacturing quota of zero. ^[1] The salts in use are hydrobromide (free base conversion ratio 0.741), hydrochloride (0.876), and tartrate (0.632).

References

↑ http://www.deadiversion.usdoj.gov/quotas/conv_factor/index.html

Hallucinogens

Psychedelics
5-HT_2AR agonists

Lysergamides	1P-ETH-LAD 1P-LSD AL-LAD ALD-52 BU-LAD IP-LAD Diallyllysergamide Dimethyllysergamide Ergometrine ETH-LAD LAE-32 LPD-824 LSA LSD LSD-Pip LSH LSM-775 2-Butyllysergamide LSZ 3-Pentyllysergamide Methylergometrine Methylisopropyllysergamide Methysergide MLD-41 PARGY-LAD PRO-LAD

Phenethylamines	2-Bromomescaline 2-Methyl-MDA 2C-B 2C-B-AN 2C-B-DragonFLY 2C-B-BUTTERFLY 2C-B-FLY 2CBCB-NBOMe 2CB-Ind βk-2C-B 2C-C 2C-D 2C-E 2C-EF 2C-F 2C-G 2C-I βk-2C-I 2C-iP 2C-N 2C-O 2C-O-4 2C-P 2C-T 2C-T-2 2C-T-3 2C-T-4 2C-T-7 2C-T-8 2C-T-13 2C-T-15 2C-T-16 2C-T-17 2C-T-19 2C-T-21 2C-T-21.5 2C-T-22 2C-T-27 2C-T-28 2C-TFM 2C-YN 2CD-5EtO 25B-NBF 25C-NBF 25I-NBF 25B-NBOH 25C-NBOH 25CN-NBOH 25I-NBOH 25B-NBMD 25C-NBMD 25I-NBMD 25B-NBOMe 25C-NBOMe 25CN-NBOMe 25D-NBOMe 25E-NBOMe 25F-NBOMe 25G-NBOMe 25I-NBOMe 25N-NBOMe 25P-NBOMe 25TFM-NBOMe 3C-AL 3C-DFE 3C-E 3C-P 4C-B 4C-D 5-APB 5-EAPB 5-MAPB 5-APDB 5-MAPB 5-APDI 5-Methyl-MDA 6-APB 6-EAPB 6-MAPB 6-APDB 6-MAPDB 6-Methyl-MDA Aleph Bromo-DragonFLY Difluoroescaline Difluoromescaline DESOXY DMBMPP DMMDA DMMDA-2 DOB DOB-FLY DOC DOEF DOET DOF DOI DOiPR DOM DON DOPR DOTFM BOB BOD Escaline Fenfluramine Fluoroproscaline Ganesha HOT-2 HOT-7 HOT-17 Isoproscaline Jimscaline Lophophine Macromerine MDA MDEA MDMA Mescaline Mescaline-NBOMe Methallylescaline MMA MMDA MMDA-2 MMDA-3a MMDMA Proscaline TCB-2 TFMFly Trifluoroescaline Trifluoromescaline TMA

Piperazines	pFPP TMFPP mCPP

Tryptamines	1-Me-5-MeO-DiPT 2,N,N-TMT 4,5-DHP-α-MT 4,5-DHP-DMT 4-AcO-DALT 4-AcO-DET 4-AcO-DiPT 4-AcO-DMT 4-AcO-DPT 4-AcO-MiPT 4-HO-5-MeO-DMT 4-HO-DBT 4-HO-DPT 4-HO-MET 4-HO-MPMI 4-HO-MPT 4,N,N-TMT 4-Propionyloxy-DMT 5,6-diBr-DMT 5-AcO-DMT 5-Bromo-DMT 5-Me-MIPT 5-MeO-2,N,N-TMT 5-MeO-4,N,N-TMT 5-MeO-α,N,N-TMT 5-MeO-α-ET 5-MeO-α-MT 5-MeO-DALT 5-MeO-DET 5-MeO-DiPT 5-MeO-DMT 5-MeO-DPT 5-MeO-EiPT 5-MeO-MALT 5-MeO-MET 5-MeO-MiPT 5-MeO-MPMI 5-N,N-TMT 7,N,N-TMT α-ET α-MT α,N,N-TMT Aeruginascin Baeocystin Bufotenin DALT DBT DCPT DET DIPT DMT DPT EiPT Ethocin Ethocybin Ibogaine Iprocin MET Miprocin MiPT Norbaeocystin Noribogaine PiPT Psilocin Psilocybin Voacangine

Benzofurans	5-MeO-DiBF Dimemebfe

Others	AL-38022A ALPHA Efavirenz Lorcaserin M-ALPHA RH-34

Dissociatives
NMDAR antagonists

Arylcyclohexylamines	2-Fluorodeschloroketamine 3-HO-PCP 3-MeO-PCE 3-MeO-PCMo 3-MeO-PCP 4-MeO-PCP Arketamine Deschloroketamine Dieticyclidine Esketamine Ethketamine Eticyclidine Gacyclidine Ketamine Methoxetamine Methoxmetamine Methoxyketamine Norketamine PCPr Phencyclidine Rolicyclidine Tenocyclidine Tiletamine

Morphinans	Dextrallorphan Dextromethorphan Dextrorphan Racemethorphan Racemorphan

Diarylethylamines	Diphenidine Ephenidine Fluorolintane Methoxphenidine

Others	2-MDP 8A-PDHQ Aptiganel Budipine Delucemine Dexoxadrol Dizocilpine Etoxadrol Ibogaine Midafotel NEFA Neramexane Nitrous oxide Noribogaine Perzinfotel Remacemide Selfotel Xenon

Deliriants
mAChR antagonists

Miscellaneous

Cannabinoids
CB₁R agonists

Phytocannabinoids	Cannabinol THC (Dronabinol) THCV

Synthetic	4-HTMPIPO 5F-AB-FUPPYCA 5F-AB-PINACA 5F-ADB 5F-ADB-PINACA 5F-ADBICA 5F-AMB 5F-APINACA 5F-CUMYL-PINACA 5F-NNE1 5F-PB-22 5F-SDB-006 A-796,260 A-836,339 AB-001 AB-005 AB-CHFUPYCA AB-CHMINACA AB-FUBINACA AB-PINACA ADAMANTYL-THPINACA ADB-CHMINACA ADB-FUBINACA ADB-PINACA ADBICA ADSB-FUB-187 AM-630 AM-679 AM-694 AM-1220 AM-1221 AM-1235 AM-1241 AM-1248 AM-2201 AM-2232 AM-2233 AMB-FUBINACA APICA APINACA APP-FUBINACA CB-13 CP 47,497 CP 55,244 CP 55,940 CUMYL-PICA CUMYL-PINACA CUMYL-THPINACA DMHP EAM-2201 FAB-144 FDU-PB-22 FUB-144 FUB-APINACA FUB-JWH-018 FUB-PB-22 FUBIMINA HU-210 HU-308 JWH-007 JWH-015 JWH-018 JWH-019 JWH-030 JWH-073 JWH-081 JWH-098 JWH-116 JWH-122 JWH-149 JWH-167 JWH-182 JWH-193 JWH-198 JWH-200 JWH-203 JWH-210 JWH-250 JWH-251 JWH-398 JWH-424 JTE 7-31 JTE-907 Levonantradol MDMB-CHMICA MDMB-CHMINACA MDMB-FUBINACA MEPIRAPIM MAM-2201 MDA-19 MN-18 MN-25 NESS-0327 NESS-040C5 Nabilone Nabitan NM-2201 NNE1 Org 28611 Parahexyl PTI-1 PTI-2 PX-1 PX-2 PX-3 QUCHIC QUPIC RCS-4 RCS-8 SDB-005 SDB-006 STS-135 THC-O-acetate THC-O-phosphate THJ-018 THJ-2201 UR-144 WIN 55,212-2 XLR-11

D₂R agonists

Apomorphine
Aporphine
Bromocriptine
Cabergoline
Lisuride
Memantine
Nuciferine
Pergolide
Piribedil
Pramipexole
Ropinirole
Rotigotine
Also indirect D₂ agonists, such as dopamine reuptake inhibitors (cocaine, methylphenidate), releasing agents (amphetamine, methamphetamine), and precursors (levodopa).

GABA_AR enhancers

Inhalants
Mixed MOA

κOR agonists

Others

Glutamatergics

Receptor
(ligands)

AMPA	Agonists: Glutamate/active site agonists: 5-Fluorowillardiine Acromelic acid (acromelate) AMPA BOAA Domoic acid Glutamate Ibotenic acid Proline Quisqualic acid Willardiine; Positive allosteric modulators: Aniracetam Cyclothiazide CX-516 CX-546 CX-614 Farampator (CX-691, Org 24448) CX-717 CX-1739 CX-1942 Diazoxide Hydrochlorothiazide (HCTZ) IDRA-21 LY-392,098 LY-404,187 LY-451,646 LY-503,430 Mibampator (LY-451,395) Org 26576 Oxiracetam PEPA PF-04958242 Piracetam Pramiracetam S-18986 Sunifiram Unifiram Antagonists: ACEA-1011 ATPO Becampanel Caroverine CNQX Dasolampanel DNQX Fanapanel (MPQX) GAMS GYKI-52466 Kynurenic acid Kynurenine Licostinel (ACEA-1021) NBQX PNQX Selurampanel Tezampanel Theanine Topiramate YM90K Zonampanel; Negative allosteric modulators: Barbiturates (e.g., pentobarbital, sodium thiopental) Cyclopropane Enflurane Ethanol Evans blue GYKI-53,655 Halothane Irampanel Isoflurane Perampanel Pregnenolone sulfate Talampanel

NMDA	Agonists: Glutamate/active site agonists: AMAA Aspartate Glutamate Homocysteic acid (L-HCA) Homoquinolinic acid Ibotenic acid NMDA Proline Quinolinic acid Tetrazolylglycine Theanine; Glycine site agonists: β-Fluoro-D-alanine ACBD ACC (ACPC) ACPD AK-51 B6B21 CCG D-Alanine D-Cycloserine D-Serine DHPG Glycine HA-966 L-687,414 L-Alanine L-Serine Milacemide Neboglamine (nebostinel) NRX-1074 Rapastinel (GLYX-13) Sarcosine; Polyamine site agonists: Spermidine Spermine; Other positive allosteric modulators: 24S-Hydroxycholesterol DHEA DHEA sulfate Pregnenolone sulfate Antagonists: Competitive antagonists: AP5 (APV) AP7 CGP-37849 CGP-39551 CGP-39653 CGP-40116 CGS-19755 CPP LY-233,053 LY-235,959 LY-274,614 MDL-100,453 Midafotel (d-CPPene) NPC-12,626 NPC-17,742 PBPD PEAQX Perzinfotel PPDA SDZ-220581 Selfotel; Noncompetitive antagonists: ARR-15,896 Caroverine Dexanabinol FPL-12495 FR-115,427 Hodgkinsine Magnesium MDL-27,266 NPS-1506 Psychotridine Zinc; Uncompetitive pore blockers: 2-MDP 3-HO-PCP 3-MeO-PCE 3-MeO-PCMo 3-MeO-PCP 4-MeO-PCP 8A-PDHQ 18-MC α-Endopsychosin Alaproclate Amantadine Aptiganel Arketamine ARL-12,495 ARL-15,896-AR ARL-16,247 Budipine Conaridine Delucemine Dexoxadrol Dextrallorphan Dieticyclidine Diphenidine Dizocilpine Ephenidine Esketamine Etoxadrol Eticyclidine Fluorolintane Gacyclidine Ibogaine Ibogamine Indantadol Ketamine Ketobemidone Lanicemine Loperamide Memantine Methadone (Levomethadone) Methorphan (Dextromethorphan Levomethorphan) Methoxetamine Methoxphenidine Milnacipran Morphanol (Dextrorphan Levorphanol) NEFA Neramexane Nitromemantine Nitrous oxide Noribogaine Norketamine Orphenadrine PCPr Pethidine (meperidine) Phencyclamine Phencyclidine Propoxyphene Remacemide Rhynchophylline Rimantadine Rolicyclidine Sabeluzole Tabernanthine Tenocyclidine Tiletamine Tramadol Xenon; Glycine site antagonists: 4-Cl-KYN (AV-101) 5,7-DCKA 7-CKA ACC ACEA-1011 ACEA-1328 AV-101 Carisoprodol CGP-39653 CNQX DNQX Felbamate Gavestinel GV-196,771 Kynurenic acid Kynurenine L-689,560 L-701,324 Licostinel (ACEA-1021) LU-73,068 MDL-105,519 Meprobamate MRZ 2/576 PNQX ZD-9379; NR2B subunit antagonists: Besonprodil CERC-301 (MK-0657) CO-101,244 (PD-174,494) Eliprodil Haloperidol Ifenprodil Isoxsuprine Nylidrin Ro8-4304 Ro25-6981 Traxoprodil; Polyamine site antagonists: Arcaine Co 101676 Diaminopropane Diethylenetriamine Huperzine A Putrescine Ro 25-6981; Unclassified/unsorted antagonists: Bumetanide Chloroform Cyclopropane D-αAA Diethyl ether Enflurane Ethanol Flufenamic acid Flupirtine Furosemide Halothane Isoflurane Metaphit Methoxyflurane Niflumic acid Piretanide Toluene Transcrocetin (saffron) Trichloroethane Trichloroethanol Trichloroethylene Xylene

Kainate	Agonists: Glutamate/active site agonists: 5-Bromowillardiine 5-Iodowillardiine Acromelic acid (acromelate) AMPA ATPA Domoic acid Glutamate Ibotenic acid Kainic acid LY-339,434 Proline Quisqualic acid SYM-2081; Positive allosteric modulators: Cyclothiazide Diazoxide Enflurane Halothane Isoflurane Antagonists: ACEA-1011 CNQX Dasolampanel DNQX GAMS Kynurenic acid Licostinel (ACEA-1021) LY-382,884 NBQX NS102 Selurampanel Tezampanel Theanine Topiramate UBP-302; Negative allosteric modulators: Barbiturates (e.g., pentobarbital, sodium thiopental) Enflurane Ethanol Evans blue NS-3763 Pregnenolone sulfate

mGlu₁	Agonists: ACPD DHPG Glutamate Ibotenic acid Quisqualic acid Ro01-6128 Ro67-4853 Ro67-7476 VU-71 Antagonists: BAY 36-7620 CPCCOEt Cyclothiazide LY-367,385 LY-456,236 MCPG NPS-2390

mGlu₂	Agonists: BINA CBiPES DCG-IV Eglumegad Glutamate Ibotenic acid LY-379,268 LY-404,039 (pomaglumetad) LY-487,379 LY-566,332 MGS-0028 Pomaglumetad methionil (LY-2140023) Talaglumetad; Positive allosteric modulators: JNJ-40411813 (ADX-71149) Antagonists: APICA CECXG EGLU HYDIA LY-307,452 LY-341,495 MCPG MGS-0039 PCCG-4; Negative allosteric modulators: Decoglurant RO4491533

mGlu₃	Agonists: CBiPES DCG-IV Eglumegad Glutamate Ibotenic acid LY-379,268 LY-404,039 (pomaglumetad) LY-487,379 MGS-0028 Pomaglumetad methionil (LY-2140023) Talaglumetad Antagonists: APICA CECXG EGLU HYDIA LY-307,452 LY-341,495 MCPG MGS-0039; Negative allosteric modulators: Decoglurant RO4491533

mGlu₄	Agonists: Glutamate L-AP4 PHCCC VU-001,171 VU-0155,041; Positive allosteric modulators: MPEP Antagonists: CPPG MAP4 MPPG MSOP MTPG UBP-1112

mGlu₅	Agonists: ACPD ADX-47273 CDPPB CHPG DFB DHPG Glutamate Ibotenic acid Quisqualic acid VU-1545 Antagonists: CTEP DMeOB LY-344,545 Mavoglurant MCPG NPS-2390 Remeglurant SIB-1757 SIB-1893; Negative allosteric modulators: Basimglurant Dipraglurant Fenobam GRN-529 MPEP MTEP Raseglurant

mGlu₆	Agonists: Glutamate L-AP4 Antagonists: CPPG MAP4 MPPG MSOP MTPG UBP-1112

mGlu₇	Agonists: AMN082 Glutamate L-AP4 Antagonists: CPPG MAP4 MMPIP MPPG MSOP MTPG UBP-1112

mGlu₈	Agonists: DCPG Glutamate L-AP4 Antagonists: CPPG MAP4 MPPG MSOP MTPG UBP-1112

Transporter
(blockers)

EAATs	Amphetamine Aspartic acid (aspartate) cis-ACBD DHKA Glutamic acid (glutamate) HIP-A HIP-B Kainic acid L-(-)-threo-3-Hydroxyaspartic acid L-αAA L-CCG-III ((2S,3S,4R)-CCG) L-Serine-O-sulphate (SOS) L-trans-2,4-PDC MPDC SYM-2081 TBOA TFB-TBOA Theanine threo-3-Methylglutamic acid UCPH-101 WAY-213,613

vGluTs	4-Methylene-L-glutamate 6-(4'-Phenylstyryl)-QDC 6-Biphenyl-4-yl-QDC 7-CKA Acid red 114 Amido black 10B (naphthol blue black) Bafilomycin A1 Benzopurpurin 4B Bumetamide Chicago sky blue 6B Aspartic acid (aspartate) DIDS Direct blue 71 Erythro-4-methyl-L-glutamic acid Evans blue Furosemide Glutamic acid (glutamate) Kynurenic acid Nigericin NPPB (N144) Ponceau SS Reactive blue 2 Rose bengal SITS trans-ACDP Trypan blue Valinomycin Xanthurenic acid

Enzyme
(inhibitors)

GAH	BPTES CB-839 DON

AST	2-Amino-3-butenoic acid AAOA AMB β-DL-Methylene-aspartate Hydrazinosuccinate

ALT	β-Chloro-L-alanine L-Cycloserine Propargylglycine

GDH	AAOA Bithionol Chloroquine EGCG GTP GW5074 Hexachlorophene Hydroxylamine Palmitoyl-CoA Pyridoxal phosphate

GS	2-Aminoadipic acid JFD01307SC Methionine sulfoximine Phosphinothricin (glufosinate)

GAD	3-Mercaptopropionic acid AAOA L-Allylglycine Semicarbazide

Others

Precursors: GHB
L-Glutamine

See also: GABAergics • GHBergics • Glycinergics

Opioidergics

Receptor
(ligands)

MOR	Agonists (abridged; see here for a full list): 7-Acetoxymitragynine 7-Hydroxymitragynine ψ-Akuammigine α-Chlornaltrexamine α-Narcotine Acetyldihydrocodeine Acetylfentanyl Adrenorphin (metorphamide) AH-7921 Akuammicine Akuammidine Alfentanil Anileridine Apparicine β-Endorphin BAM-12P BAM-18P BAM-22P Benzhydrocodone Benzylmorphine Bezitramide Biphalin BU08070 Buprenorphine Butorphan Butorphanol Butyrfentanyl BW-373U86 Carfentanil Casokefamide Cebranopadol Chloroxymorphamine Codeine DADLE DAMGO (DAGO) Dermorphin Desomorphine Dextromoramide Dextropropoxyphene (propoxyphene) Dezocine Dimethylaminopivalophenone Eluxadoline Diamorphine (heroin) Dihydrocodeine Dihydroetorphine Dihydromorphine Diphenoxylate Dipipanone Dynorphin A Embutramide Endomorphin-1 Endomorphin-2 Eseroline Ethylmorphine Etorphine Fentanyl Fluorophen Frakefamide Hemorphin-4 Herkinorin Hodgkinsine Hydrocodone Hydromorphinol Hydromorphone IBNtxA Ketamine Ketobemidone Kratom Laudanosine Lefetamine Leu-enkephalin Levacetylmethadol Levomethorphan Levorphanol Lexanopadol Loperamide Matrine Meptazinol Met-enkephalin (metenkefalin) Methadone Metkefamide Metopon Mitragynine Mitragynine pseudoindoxyl Morphiceptin Morphine Nalbuphine NalBzOH Nalmexone Naltalimide Neopine Nicocodeine Nicodicodeine Nicomorphine NKTR-181 Norketamine O-Desmethyltramadol Octreotide Oliceridine OM-3-MNZ Oripavine Oxycodone Oxymorphazone Oxymorphonazine Oxymorphone Oxymorphone phenylhydrazone OxyPNPH Papaver somniferum (opium) Pentazocine Pericine Pethidine (meperidine) Phenazocine Phencyclidine Piminodine Piritramide PL-017 Prodine Propiram Racemethorphan Racemorphan Remifentanil Salsolinol Sinomenine Sufentanil Tapentadol Tetrahydropapaveroline TH-030418 Thebaine Thienorphine Tianeptine Tilidine Tramadol Trimebutine TRIMU 5 TRV734 Tubotaiwine U-47700 Valorphin Viminol Xorphanol PAMs: BMS-986121 BMS-986122 Antagonists: (3S,4S)-Picenadol 2-(S)-N,N-(R)-Viminol 4-Caffeoyl-1,5-quinide 4′-Hydroxyflavanone 4',7-Dihydroxyflavone 6β-Naltrexol 6β-Naltrexol-d4 18-MC α-Gliadin β-Chlornaltrexamine β-Funaltrexamine Akuammine Alvimopan Apigenin AT-076 Axelopran Bevenopran Catechin Catechin gallate Clocinnamox CTAP CTOP Cyclofoxy Cyprodime Diacetylnalorphine Diprenorphine ECG EGC Epicatechin Eptazocine Gemazocine Ginsenoside R Hyperoside Ibogaine Levallorphan Lobeline LY-255582 LY-2196044 Methocinnamox Methylnaltrexone Methylsamidorphan chloride Naldemedine Nalmefene Nalodeine (N-allylnorcodeine) Nalorphine Nalorphine dinicotinate Naloxazone Naloxegol Naloxol Naloxonazine Naloxone Naltrexazone Naltrexonazine Naltrexone Naltrindole Naringenin Noribogaine Oxilorphan Pawhuskin A Quadazocine Samidorphan Taxifolin Unknown/unsorted: Cannabidiol Coronaridine Cyproterone acetate Dihydroakuuamine Tabernanthine Tetrahydrocannabinol

DOR	Agonists: 6'-GNTI 7-SIOM ADL-5747 (PF-04856881) ADL-5859 Amoxapine AR-M100390 (ARM390) AZD2327 β-Endorphin BAM-18P Biphalin BU-48 Butorphan Butorphanol BW-373U86 Casokefamide Cebranopadol Codeine Cyclazocine DADLE Deltorphin A Deltorphin I Deltorphin II Desmethylclozapine Dezocine Diamorphine (heroin) Dihydroetorphine Dihydromorphine DPDPE DPI-221 DPI-3290 DSLET Ethylketazocine Etorphine Fentanyl FIT Fluorophen Hemorphin-4 Hydrocodone Hydromorphone Ibogaine Isomethadone JNJ-20788560 KNT-127 Kratom Laudanosine Leu-enkephalin Levomethorphan Levorphanol Lexanopadol Lofentanil Met-enkephalin (metenkefalin) Metazocine Metkefamide Mitragynine Mitragynine pseudoindoxyl Morphine N-Phenethyl-14-ethoxymetopon Norbuprenorphine NalBzOH O-Desmethyltramadol Oripavine Oxycodone Oxymorphone Pethidine (meperidine) Proglumide Racemethorphan Racemorphan RWJ-394674 Samidorphan SB-235863 SKF-10047 SNC-80 SNC-162 TAN-67 (SB-205,607) TH-030418 Thebaine Thiobromadol (C-8813) Tianeptine Tonazocine Tramadol TRV250 Xorphanol Zenazocine Antagonists: 4',7-Dihydroxyflavone 5'-NTII 6β-Naltrexol 6β-Naltrexol-d4 α-Santolol β-Chlornaltrexamine Apigenin AT-076 Axelopran Bevenopran BNTX Catechin Catechin gallate Clocinnamox Diacetylnalorphine Diprenorphine ECG EGC Eluxadoline Epicatechin ICI-154129 ICI-174864 LY-255582 LY-2196044 Methylnaltrexone Methylnaltrindole N-Benzylnaltrindole Nalmefene Nalorphine Naltrexone Naltriben Naltrindole Naloxone Naringenin Noribogaine Pawhuskin A Quadazocine SDM25N SoRI-9409 Taxifolin Thienorphine Unknown/unsorted: 18-MC Cannabidiol Coronaridine Cyproterone acetate Tabernanthine Tetrahydrocannabinol

KOR	Agonists: 6'-GNTI 8-CAC 18-MC 14-Methoxymetopon β-Chlornaltrexamine β-Funaltrexamine Adrenorphin (metorphamide) Akuuamicine Alazocine Allomatrine Asimadoline BAM-12P BAM-18P BAM-22P Big dynorphin Bremazocine BRL-52537 Butorphan Butorphanol BW-373U86 Cebranopadol Ciprefadol CR665 Cyclazocine Cyclorphan Cyprenorphine Diamorphine (heroin) Diacetylnalorphine Difelikefalin Dihydroetorphine Dihydromorphine Diprenorphine Dynorphin A Dynorphin B (rimorphin) Eluxadoline Enadoline Eptazocine Erinacine E Ethylketazocine Etorphine Fedotozine Fentanyl Gemazocine GR-89696 GR-103545 Hemorphin-4 Herkinorin HS665 Hydromorphone HZ-2 Ibogaine ICI-199,441 ICI-204,448 Ketamine Ketazocine Laudanosine Leumorphin (dynorphin B-29) Levallorphan Levomethorphan Levorphanol Lexanopadol Lofentanil LPK-26 Lufuradom Matrine MB-1C-OH Menthol Metazocine Metkefamide Mianserin Mirtazapine Morphine Moxazocine MR-2034 N-MPPP Nalbuphine NalBzOH Nalfurafine Nalmefene Nalodeine (N-allylnorcodeine) Nalorphine Naltriben Niravoline Norbuprenorphine Norbuprenorphine-3-glucuronide Noribogaine Norketamine O-Desmethyltramadol Oripavine Oxilorphan Oxycodone Pentazocine Pethidine (meperidine) Phenazocine Proxorphan Racemethorphan Racemorphan RB-64 Salvinorin A (salvia) Salvinorin B ethoxymethyl ether Salvinorin B methoxymethyl ether Samidorphan SKF-10047 Spiradoline (U-62,066) TH-030418 Thienorphine Tifluadom Tricyclic antidepressants (e.g., amitriptyline, desipramine, imipramine, nortriptyline) U-50,488 U-54,494A U-69,593 Xorphanol Antagonists: 4′-Hydroxyflavanone 4',7-Dihydroxyflavone 5'-GNTI 6'-GNTI 6β-Naltrexol 6β-Naltrexol-d4 β-Chlornaltrexamine Buprenorphine/samidorphan Amentoflavone ANTI Apigenin Arodyne AT-076 Axelopran Binaltorphimine BU09059 Buprenorphine Catechin Catechin gallate CERC-501 (LY-2456302) Clocinnamox Cyclofoxy Dezocine DIPPA EGC ECG Epicatechin Hyperoside JDTic LY-255582 LY-2196044 LY-2459989 LY-2795050 MeJDTic Methylnaltrexone ML190 ML350 MR-2266 N-Fluoropropyl-JDTic Naloxone Naltrexone Naltrindole Naringenin Norbinaltorphimine Noribogaine Pawhuskin A PF-4455242 RB-64 Quadazocine Taxifolin UPHIT Zyklophin Unknown/unsorted: Akuammicine Akuammine Coronaridine Cyproterone acetate Dihydroakuuamine Ibogamine Tabernanthine

NOP	Agonists: (Arg14,Lys15)Nociceptin ((pF)Phe⁴)Nociceptin(1-13)NH₂ (Phe¹Ψ(CH₂-NH)Gly²)Nociceptin(1-13)NH₂ Ac-RYYRWK-NH₂ Ac-RYYRIK-NH₂ BU08070 Buprenorphine Cebranopadol Dihydroetorphine Etorphine JNJ-19385899 Levomethorphan Levorphanol Levorphanol Lexanopadol MCOPPB MT-7716 NNC 63-0532 Nociceptin (orphanin FQ) Nociceptin (1-11) Nociceptin (1-13)NH₂ Norbuprenorphine Racemethorphan Racemorphan Ro64-6198 Ro65-6570 SCH-221510 SCH-486757 SR-8993 SR-16435 TH-030418 Antagonists: (Nphe¹)Nociceptin(1-13)NH₂ AT-076 BAN-ORL-24 J-113397 JTC-801 LY-2940094 NalBzOH Nociceptin (1-7) Nocistatin SB-612111 SR-16430 Thienorphine Trap-101 UFP-101

Unsorted / unknown	β-Casomorphins Amidorphin BAM-20P Cytochrophin-4 Deprolorphin Gliadorphin (gluteomorphin) Gluten exorphins Hemorphins Kava constituents MEAGL MEAP NEM Neoendorphins Peptide B Peptide E Peptide F Peptide I Rubiscolins Soymorphins

Enzyme
(inhibitors)

Enkephalinase	Amastatin BL-2401 Candoxatril D -Phenylalanine Dexecadotril (retorphan) Ecadotril (sinorphan) Kelatorphan Racecadotril (acetorphan) RB-101 RB-120 RB-3007 Opiorphan Selank Semax Spinorphin Thiorphan Tynorphin Ubenimex (bestatin)

Others

Propeptides: β-Lipotropin (proendorphin)
Prodynorphin
Proenkephalin
Pronociceptin
Proopiomelanocortin (POMC)

Others: Kyotorphin (met-enkephalin releaser/degradation stabilizer)

See also: Neuropeptidergics • Peptidergics

Sigma receptor modulators

Receptor
(ligands)

σ (1, 2)

Agonists	3-MeO-PCE 3-MeO-PCP 3-PPP 4-MeO-PCP 4-IBP 4-PPBP Afobazole Alazocine Amantadine Amitriptyline Arketamine BD-1008 BD1031 BD1052 Berberine Buprenorphine Captodiame Citalopram Clorgiline Cocaine Cutamesine Cyclazocine DHEA DHEA-S Desipramine Dextrallorphan Dextromethorphan Dextrorphan Dimemorfan DMT Donepezil DTG Escitalopram Fluoxetine Fluvoxamine Heroin Ibogaine Igmesine Imipramine JO-1784 Ketamine L-687,384 Lamotrigine Lu 28-179 MDMA Memantine Metaphit Methamphetamine Methoxetamine Methylphenidate Morphine Naluzotan Noscapine OPC-14523 Opipramol PB-28 PD-144,415 Pentazocine Pentoxyverine Phencyclidine PRE-084 Pregnenolone Pregnenolone sulfate Quetiapine RTI-55 SA-4503 Siramesine Tapentadol Tenocyclidine Tramadol UMB23 UMB82 Venlafaxine

Antagonists	AC927 AHD1 AZ66 BD1008 BD1047 BD1060 BD1063 BD1067 BMY-14802 CM156 E-5842 Haloperidol Lamotrigine LR132 LR172 MIN-101 MS-377 Naloxone Naltrexone NE-100 Panamesine PD-144418 Progesterone Rimcazole S1RA (E-52862) Sertraline SM-21 SR-31742A UMB100 UMB101 UMB103 UMB116 YZ-011 YZ-069 YZ-185

Unknown/unsorted	4C-T-2 5-MeO-DiPT 18-MC β-Endopsychosin Chlorpromazine Clemastine Clocapramine Cloperastine D-Deprenyl DiPT DPT Gevotroline Nepinalone Selegiline TMA; Allosteric modulators: SKF-83959

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