科研之友
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摘要
Three new alkaloids together with two known compounds have been isolated from the roots of Clematis manshurica . On the basis of their spectroscopic and chemical evidence, the new compounds were elucidated as methyl 7-ethoxy-3-indolecarbonate (2), methyl 7- O -alpha-l-rhamnopyranosyl-(1 -> 6)-beta-d-glucopyranosyl 3-indolecarbonate (3) and alpha-l-rhamnopyranosyl-(1 -> 6)-beta-d-glucopyranosyl 3-indolecarbonate (4).
