MLD-41, also known as 1-methyl-LSD, is a derivative of LSD that has about one-third the psychoactive effects. It has been studied in cross-tolerance of LSD.[1][2][3]

Metabolism of other 1-methylated ergoloids to their secondary amine derivatives has been frequently noted in mammals.[4]

References

  1. ^ Jacob P, Shulgin AT (1994). "Structure-activity relationships of the classic hallucinogens and their analogs" (PDF). NIDA Res Monogr. 146: 74–91. PMID 8742795.
  2. ^ Hoffer A (1965). "D-Lysergic acid diethylamide (LSD): A review of its present status". Clin Pharmacol Ther. 6: 183–255. doi:10.1002/cpt196562183. PMID 14288188.
  3. ^ Abramson HA, Rolo A, Sklarofsky B, Stache J (January 1960). "Production of cross-tolerance to psychosis-producing doses of lysergic acid diethylamide and psilocybin". The Journal of Psychology. 49 (1): 151–4. doi:10.1080/00223980.1960.9916396.
  4. ^ Müller-Schweinitzer E, Tapparelli C (March 1986). "Methylergometrine, an active metabolite of methysergide". Cephalalgia: An International Journal of Headache. 6 (1): 35–41. doi:10.1046/j.1468-2982.1986.0601035.x. PMID 3698092. S2CID 5778173.


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