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2篇 您的检索式:作者名="QiTaiZHENG"
    题名 作者 年代 出处 被引量
1A New Diterpene Acid from the Flowers of Heteropappus altaicus显示文摘A new compound, named heteraltaic acid was isolated from the flowers of Heteropappus altaicus (willd) Novopokr.. The compound was elucidated as (5R, 6S, 8aS) –5- [2-(3-furyl ) ethyl-5, 6, 8a-trimethyl-4a, 5, 6, 7, 8, 8a -hexahydro-1-naphthalenecarboxylic acid] by the combination of 1D and 2D NMR techniques (HSQC, HMBC) and X-ray analysis.QingHuaLIU JunShanYANG YangLU QiTaiZHENG LiMAO 2005Chinese Chemical Letters2005,16,7:3
2A New Cycloartane from Sphaerophysa salsula显示文摘A novel cycloartane, named sphaerophysone A, 9, 19-cycloart-7b, 24b, 25-triol-1-en-3- one, was isolated from the ethanol extract of Sphaerophysa salsula DC. The structure was elucidated on the basis of spectral evidences and confirmed by X-ray analysis, the stereochemistry of the compound was also defined by X-ray analysis.ZhongJunMA XianLI YangLU ChengWANG QiTaiZHENG 2003Chinese Chemical Letters2003,14,6:0
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