Preparative isolation and purification of harpagoside fromScrophularia ningpoensis hemsley by high-speed counter-current chromatography

2006 ◽  
Vol 17 (6) ◽  
pp. 406-408 ◽  
Author(s):  
Shengqiang Tong ◽  
Jizhong Yan ◽  
Jianzhong Lou
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