@article{Zhang Ke:1, author = {Zhang Ke, Chen Changxiang, Chen Defang}, title = {CHEMICAL CONSTITUENTS OF PIPER POLYSyPHORUM}, publisher = {Plant Diversity}, year = {1997}, journal = {Plant Diversity}, volume = {19}, number = {02}, eid = {1}, numpages = {2}, pages = {1}, keywords = {Piper POheyphorum;Lignans;Isonectandrin B}, url = {https://journal.kib.ac.cn/EN/abstract/article_31325.shtml}, doi = {} }