Two new iridoid glucosides 1 and 2, 10-O-(3, 4-dimethoxy-(E)-cinnamoyl)catalpol and 10-O-(3, 4-dimethoxy-(Z)-cinnamoyl)c......

目的对藏药圆穗兔耳苹（Lagotis ramalana Batalin）中黄酮类活性成分进行分离纯化和结构确定。方法利用普通硅胶柱色谱和制备薄层色谱......