Nineteen sesquiterpene pyridine alkaloids including 17 new compounds have been isolated from the 70% aq. EtOH extract of stem barks of Hippocratea excelsa. The structures of these compounds were elucidated by various spectroscopic means.
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| http://dx.doi.org/10.1016/s0031-9422(02)00020-1 | DOI Listing |
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