从蔷薇科植物蒙古绣线菊SpiraeamongolicaMaxim.中分得6个单体化合物，经化学和光谱分析确定了其中5个成分的结构，它们分别是β-谷甾醇（Ⅰ）、白桦脂醇（Ⅱ）、白桦脂酸（Ⅲ）、白桦脂酸3，5-二羟基肉桂酸酯（Ⅳ）和胡萝卜甙（Ⅵ）。这些化合物系首次从该植物中得到。

Six compouuds were isolated for the fitst time from Spiraca mongolica Maxim. (Rosaceae by means of chemical and spectral analyslsand comparison with data of literature or authentie samples, 5 of them were identified as β-sitosterol(Ⅰ), betulin(Ⅱ), betulinic acid (Ⅲ),betuliuic acid 3, 5-dihydroxyl-cinuamate(Ⅳ) and daucosterol(Ⅵ).