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Six indole alkaloids were isolated from the aerial parts of Vinca herbacea Waldst. et Kit. Structures of the isolated compounds were elucidated as two new alkaloids, 10-methoxyraucaffrinoline (1) and 11-methoxyburnamine (2), and four known alkaloids, picrinine (3), burnamine (4), caboxine A (5) and elegantine (6) by intensive 1D- and 2D-NMR spectroscopic techniques. Antioxidant and anticholinesterase...
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