Harmala Alkaloid - Chemical Forms

Chemical Forms

  • Harmine: C13H12N2O
7-Methoxy-1-methyl-9H-pyridoindole

Harmine is a reversible inhibitor of MAO-A (RIMA).

  • Harmaline: C13H14N2O
4,9-Dihydro-7-methoxy-1-methyl-3H-pyridoindole

Harmaline is a reversible inhibitor of MAO-A (RIMA).

  • Harmalol: C12H12N2O
1-Methyl-4,9-dihydro-3H-pyridoindol-7-ol


  • Tetrahydroharmine: C13H16N2O
1,2,3,4-tetrahydro-harmine
  • Harmalan: C12H10N2
1-Methyl-3,4-dihydro-beta-carboline. Harmalan occurs in foodstuffs.
  • Harmine acid: methylester:
Methyl-7-methoxy-beta-carboline-1-carboxylate
  • Harmilinic acid:
7-Methoxy-3,4-dihydro-beta--carboline1-carboxylic acid
  • Harmanamide:
1-Carbamoyl-7-methoxy-beta-carboline
  • Acetylnorharmine:
1-Acetyl-7-methoxy-beta-carboline

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