从互叶醉鱼草地上部分分出3个环烯醚萜甙类化合物。经化学和光谱方法测定结构为6-O-cinnamoylcatalpol(Ⅰ)、specioside(Ⅱ)和6-O-cis-p-coumaroylcatalpol(Ⅲ)。其中化合物Ⅲ为首次从自然界发现。

From each other on parts drunk fish on the grass separated three iridoid glycoside compounds.By chemical and spectral methods determination of structure for 6-O-cinnamoylcatalpol (Ⅰ), specioside (Ⅱ) and 6-O-cis-p-coumaroylcatalpol (Ⅲ).Of compounds Ⅲ for the first time found in nature.