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Abstract
Loasifolin (1), a new highly oxygenated flavonoid, has been isolated from Eremostachys loasifolia and its structure is assigned on the basis of spectroscopic data including 1D and 2D NMR techniques. 6,7-Dihydroxycoumarin (2) and luteolin 4′-O-β-d-glucopyranoside (3) have also been isolated for the first time from the genus Eremostachys.