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lyy5563

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DMSO-d6  56.5,60.9,94.7,102.2,107.9,119.2,120.1,124.8,128.1,148.8,149.1,153.9,158.0,159.6,180.3
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yangyinhe

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lyy5563(卓越_先锋代发): 金币+5 2015-05-05 18:36:03
1 .     1,7-dihydroxy-3,4-dimethoxyxanthone
    相似度:100%
Phytochemistry          2001          58          1245-1249
Xanthones from the stems of Securidaca inappendiculata
Xue-Dong Yang, Li-Zhen Xu, Shi-Lin Yang
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

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2 .     1,7-Dihydroxy-3,4-dimethoxyxanththone
    相似度:100%
Phytochemistry          1992          31          309-311
Isoflavones and xanthones from Polygala virgata
Ahmad Bashir, Matthias Hamburger, Jerome D. Msonthi, Kurt Hostettmann
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

3 .     1,7-dihydroxy-3,4-dimethoxyxanthone
C15H12O6     相似度:93.3%
Journal of Chinese Medicinal Materials          2014          37          1595-1597
Chemical Constituents of Polygala tenuifolia Root Bark
XU Liang-liang, LI Chuang-jun, YANG Jing-zhi, LUO Yong-ming, ZHANG Dong-ming
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图

--------------------------------------------------------------------------------

4 .     securixanthone C
C14H10O6     相似度:80%
Acta Botanica Sinica          2003          45          365-368
Two New Xanthones from the Stems of Securidaca inappendiculata
YANG Xue-Dong XU Li-Zhen YANG Shi-Lin
Structure      13C NMR    Structure & 13C NMR     碳谱模拟图
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