Three New Phenanthraquinones from the Root of Dendrobium nobile
Yinghao Liu, Fangxia Lin, Yinfeng Tan, Jingyu Yang, Bin Zhang, Xueming Zhou, Xinming Song
Chinese Journal of Organic Chemistry . 2021, (5): 2112 -2115 .  DOI: 10.6023/cjoc202012005