N1-Methyl-lysergic acid diethylamide

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N1-Methyl-lysergic acid diethylamide
Systematic (IUPAC) name
Clinical data
Pharmacokinetic data
Metabolism hepatic
Excretion renal
4238-85-1 YesY
PubChem CID 165200
ChemSpider 144824 YesY
Synonyms MLD-41, N1- Methyl- Lysergic Acid Diethylamide
Chemical data
Formula C21H27N3O
337.47 g/mol
 YesY (what is this?)  (verify)

N1-Methyl-lysergic acid diethylamide (MLD-41) is a derivative of LSD.

Metabolism of other 1-methylated-ergoloids to their secondary amine derivatives has been frequently noted in mammals.[1]


  1. ^ Müller-Schweinitzer and Tapparelli (1986). Methylergometrine, an active metabolite of methysergide. Cephalalgia. 6: 35-41.