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An isolation method by reversed‐phase liquid chromatography coupled with hydrophilic interaction chromatography was successfully used to isolate and purify active bufadienolides from Bufo bufo gargarizans Cantor toad skin. In the first step, crude samples were run on an XTerra Prep C18 column. After screening for activity, two fractions were chosen for further purification. A Click β‐Cyclodextrin...
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