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- W2379746013 abstract "OBJECTIVE To study the active constituents of Swertia davidi Franch.METHODS The raw compounds were isolated by using column chromatography with silica gel and sephadex LH 20.Their structrues were confirmed by IR,MS, 1H and 13 C NMR and /or 1H 13 C COSY.RESULTS Four compounds were elucidated as amarogentin,swertianolin,demethylbellidifollin and bellidifolin,respectively.CONCLUSION Swertianolin and demethylbellidifolin were first time isolated from this plant.The structrue of amarogentin was elucidated by two dimensional nuclear magnetic resonance (2D NMR)." @default.
- W2379746013 created "2016-06-24" @default.
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- W2379746013 date "2000-01-01" @default.
- W2379746013 modified "2023-09-24" @default.
- W2379746013 title "Studies on the chemical constituents of Swertia davidi" @default.
- W2379746013 hasPublicationYear "2000" @default.
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