日期:2023-04-21 18:12
狀態(tài):待解決
提問:kjcxac
e extraction part of the ethanol extraction was separated and six monomer compounds were obtained. The structures of these compounds were identified using nuclear magnetic resonance spectroscopy(NMR), high resolution mass spectrometry(HR-ESI-MS)and the data of the literature. Six compounds were elucidated as taraxerol(1), 1H-indole-3-carboxylic acid(2),(24R)-cycloartane-3, 24, 25-triol(3),(24R,S)-3-24,31-epoxy-24-methylcycloartane(4), 1-O-linolenoyl-3-O--D-galactospyranosyl-snglycerol(5), and hy
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