Determination of Three-Dimensional Structures of Oridonin in Solution by NOESY Spectrum and Molecular Mechanics Calculation

YANG Yan-wu, JI Ang, HE Bing-lin, XU Xiao-long, QIU Jian-qing, WANG De-hua, QIAN Bao-gong, ZHAO Qing-zhi

Chemical Research in Chinese Universities . 1993, (3): 240 -245 .