%A He Renyuan, Feng Shuji and Nie Ruilin %T THE IS0LATI0N AND IDENTIFICATlON OF XANTH0NES FR0M SWERTIA PATENS %0 Journal Article %D 1984 %J Plant Diversity %R %P 1-3 %V 6 %N 03 %U {https://journal.kib.ac.cn/CN/abstract/article_31796.shtml} %8 1984-06-25 %X