322 25S-ruscogenin-1-O-[α-L-rhamnopyranosyl(1-2)]-[β-D-xylopyranosyl(1-3)]-β-D-fucopyranoside
中药学

        [结构式][主要物性]分子式C44H70O16;分子量855.01。无色针晶(含水甲醇),熔点240～242℃,[α]D-103.9°(c=0.45,吡啶)。IRνKBrmaxcm-1:3600～3200(OH),1728,980,920,902,865。[供试品]及[含量测定]见山麦冬皂苷B25S-ruscogenin-1-O-β-D-fu-copyranoside-3-O-α-L-rhamcopyrano    （共 213 字）     [阅读本文] >>