%A Xu Xiang-yu %T A NEW PENTACYCLIC TRITERPENE FROM MAYTENUS ORBICULATA %0 Journal Article %D 1982 %J Plant Diversity %R %P 1-3 %V 4 %N 01 %U {https://journal.kib.ac.cn/CN/abstract/article_32145.shtml} %8 1982-02-25 %X A new pentacyclic triterpene alcohol (Lupa-20, 30 ene-3, 29, dio1) has becn isolated from the Maytenus orbiculata C.Y. Wu and a tentative structure is given to it based on physical and chemical evidences.