210 (一) -isolariciresionl-2α-O-β-D-xylopyranoside
中药学

        [结构式][主要物性]分子式C25H32O10;分子量492.20。白色粉末,熔点209～210℃。UVλCH3OHmaxnm(lgε):211.4(1.71),283.8(0.398)。IRνKBrmaxcm-1:3423,2926,1605,1511,1459,1428,1361,1272,1153,1120,1051。MSm/z:492(M+),359(aglycone-H)+。[供试品]及[含量测定]见滇白珠苷AGaulther    （共 228 字）     [阅读本文] >>