Cepentil

Cepentil
Clinical data
Other names	Tsepentil; N-Cyclopentyllysergamide; NCPe-LA; N-Cyclopentyl-lysergamide; LCyP; C5AL
Identifiers
	IUPAC name N-cyclopentyl-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;
PubChem CID	171933571;
ChemSpider	95545978;
Chemical and physical data
Formula	C21H25N3O
Molar mass	335.451 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CN1CC(C=C2C1CC3=CNC4=CC=CC2=C34)C(=O)NC5CCCC5;
	InChI InChI=1S/C21H25N3O/c1-24-12-14(21(25)23-15-5-2-3-6-15)9-17-16-7-4-8-18-20(16)13(11-22-18)10-19(17)24/h4,7-9,11,14-15,19,22H,2-3,5-6,10,12H2,1H3,(H,23,25); Key:GIUWLXABHBAKDK-UHFFFAOYSA-N;

Cepentil, or Tsepentil, also known as N-cyclopentyllysergamide (NCPe-LA) or as lysergic acid cyclopentylamide (LCyP), is an analogue of LSD developed in the former Soviet Union which acts as an antagonist at serotonin receptors. It does not produce hallucinogen-like effects in animal studies, instead being described as an "energizer" by contemporary sources, suggesting an action similar to the antidementia drug hydergine, however the pharmacology of cepentil has not been studied with modern techniques.^[1]^[2]^[3]^[4]

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See also