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abc8256338

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1H NMR (500 MHz, pyridine) δ 8.71, 8.37, 8.37, 8.11, 8.11, 8.09, 8.09, 7.57, 7.35, 7.33, 7.20.
13C NMR (126 MHz, pyridine) δ 169.14, 151.83, 149.76, 149.54, 149.33, 146.75, 135.60, 135.40, 135.21, 123.53, 123.33, 123.13, 117.95, 115.88.
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杨大松

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碧雪清谭
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杨大松

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