A new veratramine alkaloid from the bulbs of Fritillaria hupehensis

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A new highly conjugated alkaloid of veratramine type, 22S,25S,5α-veratramine-7(8), 12( 14)-diene-3β,13β,23β-triol-6-one (1),was isolated from the bulbs of Fritillaria hupehensis Hsiao et K.C. Hsia. Its structure was determined on the basis of spectroscopic evidences.
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