New patchoulol- and guaiane-type sesquiterpenoids from Sanguisorba officinalis with anti-melanogenic activity
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Twelve new sesquiterpenoids, sanguisorbaols A-L (1-12), along with twenty-five known compounds (13-37), were isolated from the roots of Sanguisorba officinalis. Structures were determined through comprehensive analysis of HRESIMS, 1D and 2D NMR spectroscopic d... ...