Three new stilbene derivatives, gnetumelin A (1), gnetumelin B (2), and gnetumelin C (3), along with the nine known stilbene derivatives 4–12 were isolated from Gnetum montanumMarkgr. f. megalocarpumMarkgr. Their structures were determined by spectroscopic analysis and comparison of the data with reported ones.

中文翻译：

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Gnetum montanum Markgr的二苯乙烯衍生物。F。巨大角果

从Gnetum montanum Markgr中分离出三种新的二苯乙烯衍生物，即gnetumelin A（1），gnetumelin B（2）和gnetumelin C（3），以及九种已知的二苯乙烯衍生物4 – 12。F。巨大角果 通过光谱分析和与报道的数据比较来确定它们的结构。