Protostemotinine, A New Alkaloid Stemona sessilifolia (Miq.) Miq.
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摘要: A new alkaloid named protostemotinine ( Ⅰ) together with β--sitosterol (Ⅱ) and margaric acid (Ⅲ) was isolated from the enthanol extracts of the tuberous roots and rhizomes of Stemona sessilifolia