目的 研究深裂锈毛莓氯仿部位的化学成分。方法 采用硅胶柱色谱和重结晶方法进行分离纯化，根据化合物的理化性质和波谱数据鉴定其结构。结果 分离得到5个化合物，分别鉴定为2α,3β,19α-三羟基乌苏-12-烯-23-羧酸-28-O-β-D-吡喃葡萄糖酯（1）、2α,3β,19α-三羟基乌苏-12-烯-28-酸（2）、2α,3β,19α-三羟基乌苏-12-烯-23,28-二酸（3）、pseudosanguidiogenin A（4）、β-谷甾醇（5）。结论 所有化合物均为首次从该植物中分离得到。

Objective To study the chemical constituents in the chloroform fraction from the roots and rhizomes of Rubus reflexus var. lanceolobus. Methods The chemical constituents were separated and purified by silica gel column chromatography and recrytallization, and their structures were identified by physicochemical characteristics and spectral features. Results Five compounds were isolated and identified as 2α,3β,19α-trihydroxyurs-12-en-23-carboxyl-28-O-β-D-glucopyranosyl ester (1), 2α,3β,19α-trihydroxyurs-12-en-28-oic acid (2), 2α,3β,19α-trihydroxyurs-12-en-23,28-dioic acid (3), pseudosanguidiogenin A (4), and β-sitosterol (5). Conclusion All the compounds are isolated from this plant for the first time.