维药睡莲花中的黄酮醇苷类成分分析
Flavonol Glycosides from the Flowers of Nymphaea Candida
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Abstract: OBJECTIVE To isolate and determine chemical constituents from Nymphaea candida Presl.METHODS Six compounds were isolated and purified by extraction and different kinds of column chromatography.The structures were determined on the basis of spectral analys