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从苦绳(DregeasinensisHemsl.)中分离到两个新化合物∶苦绳甙元乙(dresigeninB,1)和苦绳甙I(dresiosideI,2)。经光谱和化学反应确定其结构为∶20O(2甲基丁酰基)托曼托甙元[20O(2methylbutyryl)tomentogenin]和二氢肉珊瑚甙元3OβD吡喃黄夹糖基(1-4)βD吡喃夹竹桃糖基(1-4)βD吡喃磁麻糖甙[dihydrosarcostin3OβDthevetopyranosyl(1-4)βDoleandropyranosyl(1-4)βDcymaropyranoside]。
Two new compounds were isolated from Dreasesinensis Hemsl.: dresigenin B (1) and dresioside I (2). The structure was determined by spectroscopic and chemical reactions: 20O(2methylbutyryl)Tomanto甙[20O(2methylbutyryl)tomentogenin] and dihydrogenated meat coral甙33 O β D pyran yellow glycosyl (1-4) β D glucopyranose glycosides (1-4) β D pyran magnetic glycosides [dihydrosarcostin3 O βDthevetopyranosyl(1-4)βDoleandropyranosyl(1-4)βDcymaropyranoside].