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Further sesquiterpene pyridine alkaloids from Maytenus aquifolium
(Phytochemistry, 1998-12-05) [Artigo]
Two new sesquiterpene evoninate alkaloids, aquifoliunine E-III and aquifoliunine E-IV, were isolated from the root bark of Maytenus aquifolium. The structures of the new compounds were elucidated on the basis of spectroscopic ...