| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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回流和惰性气体保护如何同时进行 | 3 | red-leaf | 18/2387 | wmx | 2006-09-12 16:38:22 |
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求文献 | 3 | red-leaf | 3/652 | pirate1012 | 2005-10-24 09:28:51 |
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吡啶上的氮与烷基氧的亲核性比较 | 3 | red-leaf | 1/326 | red-leaf | 2005-08-30 12:30:41 |
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那位高人指点反应 | 3 | red-leaf | 7/547 | 方无忧 | 2005-08-23 13:57:59 |
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羟乙基吡啶与羟乙基吡啶N氧化物的分离 | 3 | red-leaf | 1/420 | qyl1970 | 2005-08-03 16:40:40 |
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吡啶N氧化? | 3 | red-leaf | 7/1165 | djq | 2005-07-17 16:39:50 |
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进行有机合成时反应的溶剂如何选择？[可用分1] | 3 | red-leaf | 8/1324 | fox0322 | 2005-05-04 15:41:38 |
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高手帮忙：制备型薄层 | 3 | red-leaf | 2/371 | wuwei | 2005-04-21 10:19:44 |
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过柱子 | 3 | red-leaf | 3/476 | shwh | 2005-03-26 11:50:59 |
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羟脯氨酸在乙醇中的溶解性如何？ | 3 | red-leaf | 1/790 | qiangpeng | 2005-03-18 18:11:09 |
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羟脯氨酸分离? | 3 | red-leaf | 0/500 | 2005-03-18 14:50:12 | |
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吡啶上的N与吡啶上的连的乙醇钠？ | 3 | red-leaf | 3/352 | fafa_du | 2005-03-18 13:24:49 |
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2-羟乙基吡啶中的N和羟基中哪个极性强啊？ | 3 | red-leaf | 10/1039 | xuezhp | 2005-03-16 21:19:36 |