NMR spectroscopy analysis confirms identity of coleon AL.
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a, Comparison of 1H-NMR chemical shift assignments from Ref. 44 and our experimental data, with more resolution for protons H-11A, 11B, 13A, 13B and 12; b, 13C NMR experimental chemical shift assignments, with 3 carbonyl peaks at 177–190 ppm, and olefinic peaks at 117–154 ppm corresponding to the aromatic fused-ring moeities.
创建时间:
2015-12-02



