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6.07    dd    1H    J=4.6, 2.3
4.53    dd    1H    J=17.7, 2.3
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2Â¥: Originally posted by jiyannangxj at 2015-12-24 16:11:08
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13C NMR (101 MHz, d2o) ¦Ä 188.30, 147.56, 115.97, 100.62, 60.54, 55.40, 50.27, 49.00, 18.01.
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3Â¥2015-12-24 16:57:01
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2Â¥: Originally posted by jiyannangxj at 2015-12-24 16:11:08
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1H NMR (400 MHz, cd3od) ¦Ä 6.07 (dd, J = 4.6, 2.3 Hz, 1H), 4.53 (dd, J = 17.7, 2.3 Hz, 1H), 4.31 (dd, J = 17.7, 4.6 Hz, 1H), 3.61 (s, 3H), 3.34 (s, 3H), 1.43 (s, 3H).
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4Â¥2015-12-24 16:58:18
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