【摘 要】
:
Two novel poly -oxygen bipyridine alkaloids, speranculatines A (1) and B (2) have been isolated from speranskia tuberculata. Their structures were elucidated by
【出 处】
:
Chinese Chemical Letters
论文部分内容阅读
Two novel poly -oxygen bipyridine alkaloids, speranculatines A (1) and B (2) have been isolated from speranskia tuberculata. Their structures were elucidated by spectroscopic methods including 2D NMR techniques and X-ray crystallographic analysis.
Two novel poly-oxygen bipyridine alkaloids, speranculatines A (1) and B (2) have been isolated from speranskia tuberculata. Their structures were elucidated by spectroscopic methods including 2D NMR techniques and X-ray crystallographic analysis.
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