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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ 感谢参与,应助指数 +1 hanches: 金币+1, 感谢应助,BB奖励,欢迎常来本版参与交流~~~ 2013-10-24 13:26:07 proywq: 金币+8, ★★★★★最佳答案, 谢谢!!!!!!!!! 2013-10-25 07:56:01
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It is suggested that , compared to compound I , the groups connected to the -OCH2- group of compound II have changed greatly |
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