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  • Title: Three new germacrane-type sesquiterpene stereoisomers from the flowers of Chrysanthemum indicum.
    Author: Wang JS, Zhou J, Kong LY.
    Journal: Fitoterapia; 2012 Dec; 83(8):1675-9. PubMed ID: 23022535.
    Abstract:
    From the flowers of Chrysanthemum indicum, three new germacrane-type sesquiterpene stereoisomers (1β,3α,5β-trihydroxyl-7-isopropenyl-germacren-4(15), 10(14)-diene (1), 1β,3β,5α-trihydroxyl-7-isopropenyl-germacren-4(15), 10(14)-diene (2), 1β,3β,5β-trihydroxyl-7-isopropenyl-germacren-4(15), 10(14)-diene (3)) were isolated, whose structures were elucidated on the basis of extensive spectroscopic analysis. The absolute configuration of compound 1 was determined by a single crystal X-ray diffraction study using a mirror Cu Kα radiation.
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