An alkaloid compound derived from or related to harmine, a psychoactive substance found in certain plants.
From apo- (derived from, related to) + harmine (an alkaloid from harmal plants). The apo- prefix indicates chemical derivation or relationship.
This is one of those chemistry words that shows how scientists name compounds by showing their family trees—apoharmine is basically 'the cousin of harmine,' telling you instantly it's chemically related.
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