日期:2023-04-21 18:20
狀態(tài):待解決
提問:kjcxac
's disease. In order to make full use of the plant resources, clarify its chemical constituents, and find the relevant active compounds, the methanol extracts of non-medicinal parts of this plant were isolated using various chromatographic methods such as positive phase Sephadex LH-20, positive phase silica gel, positive phase polyamide, and MCI gel CHP-20P. The structures of the isolated monomer compounds were determined by MS,1H-NMR,13C-NMR, and other spectral data analysis, as well as compari
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