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Carena: 金币+1, 感谢应助 2013-01-12 21:55:16
qq156437683: 金币+7, 翻译EPI+1, 有帮助 2013-01-23 10:45:07
1H NMR spectrum showed two doublets around d=8.15ppm and d=7.31ppm, respectively. They were yielded from coupling of two neighboring H on benzene, both of which with 12 H. d=10.19 ppm indicates the chemical shift of H on primary amine, whereas d=7.31 ppm and 7.10ppm is the H shift on benzene. The presence of doublet at each shift indicated that contrapuntal nitro on benzene is substituted.
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3楼2013-01-10 21:05:50
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