Nine New Pregnane Glycosides from the Cultivated Medicinal Plant Marsdenia tenacissima. - Meng, Qian-Qian; Tong, Shun-Yao; Peng, Xing-Rong; Zhao, Yu-Qing; Li, Zheng-Hui; Chen, He-Ping; Liu, Ji-Kai (Molecules, 2023)