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1 .     compound 23
    ÏàËÆ¶È:61.5%
Magnetic Resonance in Chemistry          1991          29          188-190
13C NMR of some trans-alkoxy-¦Â-methyl-¦Â-nitrostyrenes
Brian A. Dawson, Arnold W. By and Hajro W. Avdovich
Structure      13C NMR    Structure & 13C NMR     Ì¼Æ×Ä£Äâͼ

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2 .     2',4'-dihydroxy-5',6'-dimethoxychalcone
    ÏàËÆ¶È:60%
Zeitschrift f¨¹r Naturforschung C          2006          61          184-188
Cytotoxic Chalcones and Flavanones from the Tree Bark of Cryptocarya costata
H. Usman, E. H. Hakim, T. Harlim, M. N. Jalaluddin, Y. M. Syah, S. A. Achmad, and H. Takayama
Structure      13C NMR    Structure & 13C NMR     Ì¼Æ×Ä£Äâͼ
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