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Studies on the chemical constituents from Potentilla multifida L.

XUE Pei feng, QIAO Liang, LIANG Hong, ZHAO Yu ying △ (Department of Natural Medicines, Peking University School of Pharmceutical Sciences, Beijing 100083, China)  
Objective: To study the chemical constituents of Potentilla multifida L. Methods: Chemical constituents were isolated by the repeated silica gel chromatography and Sephadex LH 20, and their structures were identified by the spectral analysis. Results: Five compounds were obtained as follows: 3β,24 dihydroxyl urs 12 ene (1), ursolic acid (2), euscaphic acid (3), tormentic acid (4), and epihedaragenin (5). Conclusion: Five compounds were isolated from this plant for the first time. Compounds 1 and 5 were isolated from this genus for the first time. Compound 1 was a new natural product.
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