Abstract
The pyrrolizidine alkaloid (PA) lycopsamine and the guaianolide cumambrin B were isolated from Eupatorium maculatum L. Their structures were elucidated by spectroscopical methods.
MeSH terms
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Chromatography, High Pressure Liquid
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Eupatorium / chemistry*
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Magnetic Resonance Spectroscopy
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Mass Spectrometry
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Pyrrolizidine Alkaloids / isolation & purification*
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Sesquiterpenes / isolation & purification*
Substances
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Pyrrolizidine Alkaloids
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Sesquiterpenes
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cumambrin B
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indicine