A toxic alkaloid compound found in certain plants of the pea family, sometimes used medicinally as a smoking-cessation aid.
Derived from 'Cytisus,' the genus name of laburnum and related plants, combined with the chemical suffix '-ine' used for alkaloids. The compound was first isolated from these plants in the 19th century.
Cytisine is wild because some plants produce it as a chemical defense against insects, but researchers discovered it can help smokers quit by binding to nicotine receptors in the brain—turning a plant's poison into potential medicine!
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