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(+-)-menthol 
(-)-menthol +  
(-)-noscapine  
(1R,2S)-nortilidine +  
(1S,2R)-nortilidine +  
(E,E)-germacrone  
(R)-ketamine 
(R,R)-tramadol +   
(R,R)-tramadol hydrochloride +  
(S)-glaucine +   
(S,S)-tramadol +   
(S,S)-tramadol hydrochloride +  
2-amino-5-phosphonopentanoic acid  
3-methylfentanyl 
3-methylthiofentanyl +  
4-(methylamino)antipyrine 
7-chlorokynurenic acid  
alfentanil  
amantadine  
amantadine hydrochloride 
amantadine sulfate 
anileridine 
anileridine dihydrochloride 
benproperine 
benproperine trihydrogen phosphate 
benzonatate 
buprenorphine +   
buprenorphine hydrochlorie 
butorphanol +   
butorphanol D-tartrate 
carfentanil  
CGP 78608 
CGP 78608 hydrochloride 
clofedanol  
codeine +   
dextilidine +  
dextromethadone +   
dextromethorphan +   
dextromoramide 
dextropropoxyphene +   
dezocine 
dibunate +  
dibunic acid 
dimethylthiambutene 
dinitrogen oxide  
diphenhydramine +   
dizocilpine  
dizocilpine maleate  
doxofylline 
doxylamine  
ecgonine methyl ester +   
eliprodil  
eluxadoline  
eseroline +   
esketamine +  
esketamine hydrochloride 
ethanol +   
etorphine 
fentanyl +   
fentanyl citrate 
ginsenoside Rb3 
heroin  
hydrocodone +   
hydromorphone +   
isoliquiritigenin +   
JWH-133 
ketamine +   
ketamine hydrochloride +  
kynurenic acid +   
Leu-enkephalin  
levacetylmethadol 
levodropropizine 
levomethadone +   
A 6-(dimethylamino)-4,4-diphenylheptan-3-one that has (R)-configuration. It is the active enantiomer of methadone and its hydrochloride salt is used to treat adults who are addicted to drugs such as heroin and morphine.
levomethorphan +  
levopropoxyphene +  
lofentanyl 
loperamide  
loperamide hydrochloride 
memantine  
memantine hydrochloride 
methadone +   
morphine +   
morphine hydrochloride trihydrate 
myrophine +  
myrophine hydrochloride 
N-[2-(4-phenoxybenzyl)benzimidazol-5-yl]methanesulfonamide 
N-\{2-[(4-benzylpiperidin-1-yl)methyl]benzimidazol-5-yl\}methanesulfonamide 
nalbuphine +   
norfentanyl 
noribogaine 
orphenadrine +   
orphenadrine citrate 
orphenadrine hydrochloride 
oxycodone  
oxycodone hydrochloride +  
pentamidine  
pethidine  
pethidine hydrochloride 
phencyclidine  
pholcodine 
proglumide +  
propoxyphene 
rac-nortilidine 
racemethorphan 
remifentanil +   
remifentanil hydrochloride 
rolicyclidine 
sodium dibunate 
sufentanil  
tenocyclidine 
thienylfentanyl 
tilidine 
tramadol  
tramadol hydrochloride 
Troxyca ER 
U50488  
 methadone +   

Synonyms
Exact Synonyms: (6R)-6-(dimethylamino)-4,4-diphenylheptan-3-one
Related Synonyms: (-)-methadone ;   (6R)-methadone ;   (R)-6-(dimethylamino)-4,4-diphenyl-3-heptanone ;   Formula=C21H27NO ;   InChI=1S/C21H27NO/c1-5-20(23)21(16-17(2)22(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17H,5,16H2,1-4H3/t17-/m1/s1 ;   InChIKey=USSIQXCVUWKGNF-QGZVFWFLSA-N ;   L-6-(dimethylamino)-4,4-diphenyl-3-heptanone ;   R-methadone ;   SMILES=CCC(=O)C(C[C@@H](C)N(C)C)(C1=CC=CC=C1)C1=CC=CC=C1 ;   l-methadone ;   levometadona ;   levomethadonum
Xrefs: CAS:125-58-6 ;   Chemspider:20904 ;   DrugBank:DB13515 ;   Drug_Central:4586 ;   KEGG:D08121 ;   PMID:20308640 ;   PMID:21371149 ;   PMID:25669614 ;   PMID:27974484 ;   PMID:29393208 ;   PMID:29902789 ;   PMID:31842942 ;   PMID:32302325 ;   PMID:32586692 ;   PMID:32903474 ;   PMID:33345336 ;   PMID:33423953 ;   Reaxys:3213668 ;   Wikipedia:Levomethadone
Cyclic Relationships: is_enantiomer_of CHEBI:167308

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