NMR Structure Elucidation of Triterpene Saponin Isolated from Dipsacus asperoides C. Y. Cheng et T. M. Ai
WU Shuai, LIU Er-Wei, LIU Hong, WANG Meng, HAO Yu, ZHU Xiao-Yue
Chinese Journal of Magnetic Resonance . 2010, (4): 661 -668 .