摘要 : A new dammarane triterpene was isolated from the seed extracts of Cleome arabica L. found growing in Tunisia. The structure of this novel phytoconstituent was elucidated by extensive spectroscopic techniques, including UV, IR, 1D,... 展开 A new dammarane triterpene was isolated from the seed extracts of Cleome arabica L. found growing in Tunisia. The structure of this novel phytoconstituent was elucidated by extensive spectroscopic techniques, including UV, IR, 1D, and 2D NMR and ESI-MS and HR-ESI-MS experiments. 收起