An alkaloid compound formerly thought to be found in mezereon (a poisonous shrub), now recognized as being similar to other plant alkaloids.
From carp-, likely from Carpathian regions where certain plants grew, plus -aine, a suffix used for alkaloid compounds. This reflects early botanical chemistry's practice of naming compounds after their geographic origins.
Carpaine shows how old botanical chemistry naming conventions can mislead modern scientists—it was actually misidentified and its true chemical nature wasn't established until much later, teaching us that even plant names have hidden histories!
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