NUCLEAR MAGNETIC RESONANCE STUDIES OF GINSENOSIDE Ⅰ. Structure Elucidation of an Ocotillol-Type Saponin Separated From the Leaves of Panax Quinquefolium L
Yang Yanwu, Xu Xiaolong, Qiu Jianqing, Wang Dehua, Qian Baogong, Ma Xingyuan, Xu Jingda
Chinese Journal of Magnetic Resonance . 1991, (3): 283 -290 .