Isosteroidal alkaloids of Fritillaria taipaiensis and their implication to Alzheimer's disease: Isolation, structural elucidation and biological activity

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New Steroidal Alkaloids from Fritillaria imperialis and Their Cholinesterase Inhibiting Activities.

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Isosteroidal alkaloids as potent dual-binding site inhibitors of both acetylcholinesterase and butyrylcholinesterase from the bulbs of Fritillaria walujewii

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Antiplatelet activity of N-methoxycarbonyl aporphines from Rollinia mucosa

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