Nineteen alkaloids, including a new C19-diterpenoid alkaloid stapfianine A (1) and a new benzamide derivative stapfianine B (2) were isolated from the roots of Aconitum stapfianum. Their structures were established on the basis of extensive spectroscopic analyses (IR, HRESIMS, 1D and 2D NMR).
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4681710 | PMC |
| http://dx.doi.org/10.1007/s13659-015-0075-1 | DOI Listing |
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