摘要 : Chromatographic conditions for the isolation and separation of twelve triterpenoids from Neem seeds, including azadirachtin and six closely related compounds are described. The elution order of the compounds using supercritical fl... 展开 Chromatographic conditions for the isolation and separation of twelve triterpenoids from Neem seeds, including azadirachtin and six closely related compounds are described. The elution order of the compounds using supercritical fluid chromatography and reverse phase HPLC are described. New and corrected NMR spectroscopic data for eleven of these compounds are tabulated. 收起